Displaying publications 1 - 20 of 402 in total

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  1. Report of the 10(th) Asia-Pacific Federation of Societies for Surgery of the Hand Congress (Organising Chair and Scientific Chair)
    A RS, Abdullah S
    J Hand Surg Asian Pac Vol, 2016 10;21(3):439-43.
    PMID: 27595972 DOI: 10.1142/S2424835516970018
    A report on the 10(th) Asia-Pacific Federation of Societies for the Surgery of the Hand and 6(th) Asia-Pacific Federation of Societies for Hand Therapists is submitted detailing the numbers of attendees participating, papers presented and support received as well the some of the challenges faced and how best to overcome them from the local conference chair and scientific chair point of view.
    Matched MeSH terms: Pacific Islands
  2. Fulltext Reef foraminifera as bioindicators of coral reef health in southern South China Sea
    A'ziz ANA, Minhat FI, Pan HJ, Shaari H, Saelan WNW, Azmi N, et al.
    Sci Rep, 2021 Apr 26;11(1):8890.
    PMID: 33903697 DOI: 10.1038/s41598-021-88404-3
    Pulau Tioman is a famous tourist island off Peninsular Malaysia with beautiful coral reefs. This study aims to assess the health of the coral reefs surrounding Pulau Tioman based on the application of the Foraminifera in Reef Assessment and Monitoring Index (FI). Ten sampling sites around Pulau Tioman were studied with a total of 30 samples. Eight orders, 41 families, 80 genera, and 161 species of benthic foraminifera were identified. The agglutinated type of foraminifera constituted 2-8% of the total assemblages. Calcareous hyaline and porcelaneous groups represented 79% and 19% of the total assemblages, respectively. Symbiont-bearing taxa were the most common foraminifera. The results indicate that most of the sampling sites are conducive for coral reef growth with good recoverability from future stress to the ecosystem. However, several areas with higher coastal development and tourism have reduced water and sediment quality. Therefore, the limit on the number of visitors and tourists should be revised to enable coral growth and health. The FI values in this study showed a positive correlation with good water qualities and a negative correlation with organic matter enrichment. The FI is a good measure to assess the health of a coral reef and can be applied to other reef ecosystems around Malaysia.
    Matched MeSH terms: Islands
  3. Fulltext Natural bioactive compounds targeting DNA methyltransferase enzymes in cancer: Mechanisms insights and efficiencies
    Aanniz T, Bouyahya A, Balahbib A, El Kadri K, Khalid A, Makeen HA, et al.
    Chem Biol Interact, 2024 Apr 01;392:110907.
    PMID: 38395253 DOI: 10.1016/j.cbi.2024.110907
    The regulation of gene expression is fundamental to health and life and is essentially carried out at the promoter region of the DNA of each gene. Depending on the molecular context, this region may be accessible or non-accessible (possibility of integration of RNA polymerase or not at this region). Among enzymes that control this process, DNA methyltransferase enzymes (DNMTs), are responsible for DNA demethylation at the CpG islands, particularly at the promoter regions, to regulate transcription. The aberrant activity of these enzymes, i.e. their abnormal expression or activity, can result in the repression or overactivation of gene expression. Consequently, this can generate cellular dysregulation leading to instability and tumor development. Several reports highlighted the involvement of DNMTs in human cancers. The inhibition or activation of DNMTs is a promising therapeutic approach in many human cancers. In the present work, we provide a comprehensive and critical summary of natural bioactive molecules as primary inhibitors of DNMTs in human cancers. The active compounds hold the potential to be developed as anti-cancer epidrugs targeting DNMTs.
    Matched MeSH terms: CpG Islands
  4. Fulltext Getting patient blood management Pillar 1 right in the Asia-Pacific: a call for action
    Abdullah HR, Ang AL, Froessler B, Hofmann A, Jang JH, Kim YW, et al.
    Singapore Med J, 2020 Jun;61(6):287-296.
    PMID: 31044255 DOI: 10.11622/smedj.2019037
    Preoperative anaemia is common in the Asia-Pacific. Iron deficiency anaemia (IDA) is a risk factor that can be addressed under patient blood management (PBM) Pillar 1, leading to reduced morbidity and mortality. We examined PBM implementation under four different healthcare systems, identified challenges and proposed several measures: (a) Test for anaemia once patients are scheduled for surgery. (b) Inform patients about risks of preoperative anaemia and benefits of treatment. (c) Treat IDA and replenish iron stores before surgery, using intravenous iron when oral treatment is ineffective, not tolerated or when rapid iron replenishment is needed; transfusion should not be the default management. (d) Harness support from multiple medical disciplines and relevant bodies to promote PBM implementation. (e) Demonstrate better outcomes and cost savings from reduced mortality and morbidity. Although PBM implementation may seem complex and daunting, it is feasible to start small. Implementing PBM Pillar 1, particularly in preoperative patients, is a sensible first step regardless of the healthcare setting.
    Matched MeSH terms: Pacific Islands
  5. Fulltext Classification of chlorophyll-a concentrations in surface waters of Songsong group of islands using an optically derived remote sensing model
    Abdullah, A.L., Lim, H.S., Yasin, Z., Razalli, N.M.
    ASM Science Journal, 2014;8(1):44-53.
    MyJurnal
    Chlorophyll-a concentrations (mg/l) in surface waters of Songsong Islands were mapped using an optically derived remote sensing model. Landsat TM imagery dated 8 October 2008 was used in the classification process and in situ measurements made on 19 May 2012 during spring tidal condition (HW: 2.6 m, LW: 0.9 m) served as ground truthing data. The temporal difference between data used will be useful to review the robustness of the model. Three classes of chlorophyll-a concentrations were mapped: Class 1: 10 mg/l. Considering the dynamic nature of coastal and marine waters particularly the shallow region, and the temporal difference between the Landsat TM imagery used in classification and the field data, results of chlorophyll-a mapping using the developed remote sensing model was high at 83.3%, with producer’s accuracy of 50%–100% and user’s accuracy of 80%–100%. Kappa coefficient of agreement, Kˆ , calculated was 57.1%.
    Matched MeSH terms: Islands
  6. Fulltext Total phenolic content and antioxidant capacity of Basil (Ocimum Basilicum L.) leaves from different locations
    Aburigal, Y.A.A., Mirghani, M.E.S., Elmogtaba, E.Y., Sirible, A.A.M., Hamza, N.B., Hussein, I.H.
    International Food Research Journal, 2017;24(101):0-0.
    MyJurnal
    The present study was carried out to determine the antioxidant activity and total phenolic content of Ocimum basilicum collected from different regions of the world. The accession V1 is from Sudan, V2 from Iraq, V3 from Germany, V4 from Thailand, V5 from Russia and V6 from Maldives. The extracts from six basil accessions were analysed for their DPPH free radical scavenging activity and their total phenolic content (TPC). The results suggest that the highest antioxidant activity was found in V6 (from Maldives) and the lowest antioxidant activity was found in V4 (from Thailand). The highest amount of phenolic content was found in V6 (from Maldives) and the lowest phenolic content was found inV4 (from Thailand). This study shows that basil is a good source of free-radical scavenging compounds that have their traditional medicinal applications.
    Matched MeSH terms: Indian Ocean Islands
  7. Fulltext Macrogenomic evidence for the origin of the black fly Simulium suzukii (Diptera: Simuliidae) on Okinawa Island, Japan
    Adler PH, Huang YT, Reeves WK, Kim SK, Otsuka Y, Takaoka H
    PLoS One, 2013;8(8):e70765.
    PMID: 23951001 DOI: 10.1371/journal.pone.0070765
    To determine the geographic origin of the black fly Simulium suzukii on Okinawa Island, Japan, macrogenomic profiles derived from its polytene chromosomes were compared with those of mainland and other insular populations of S. suzukii and of the isomorphic Simulium tani species complex. The Okinawan population is a chromosomally unique cytoform, designated 'D,' which is essentially monomorphic and differs by about 27 fixed rearrangements from the chromosomal standard sequence for the subgenus Simulium and by two fixed differences from its nearest known relative, representing the type of S. suzukii, on the main islands of Japan. Chromosomal band sequences revealed two additional, sympatric cytoforms of S. suzukii, designated 'A' and 'B,' each with species status, in Korea, and a third cytoform, designated 'C,' on Hokkaido, Japan. A new cytoform, 'K,' of S. tani from Malaysia, representing the type of S. tani, is more closely related to cytoforms in Thailand, as are populations from Taiwan previously treated as S. suzukii but more closely aligned with S. tani and newly recognized as cytoform 'L' of the latter nominal species. Rooting of chromosomal band sequences by outgroup comparisons allowed directionality of chromosomal rearrangements to be established, enabling phylogenetic inference of cytoforms. Of 41 macrogenomic rearrangements discovered in the five new cytoforms, four provide evidence for a stepwise origin of the Okinawan population from populations characteristic of the main islands of Japan. The macrogenomic approach applied to black flies on Okinawa Island illustrates its potential utility in defining source areas for other species of flies including those that might pose medical and veterinary risks.
    Matched MeSH terms: Islands
  8. Fulltext Patterns of health ailments and other health problems among children at a relief camp, Aceh, Indonesia; a two months post tsunami study
    Adlina, S., Soe, Soe Aye, Narimah, A.H.H., Nuraliza, A.S.
    Malaysian Journal of Public Health Medicine, 2005;5(1):31-37.
    MyJurnal
    On December 26, 2004, an earthquake triggered a devastating tsunami that caused death and destruction in twelve countries including India, Indonesia, Malaysia, Maldives, Seychelles, Somalia, Sri Lanka and Thailand. One of the authors was a volunteer with FELDA WAJA AMAN MALAYSIA medical relief team that served the Aceh victims from 16th February to 24th February 2005 (8 weeks post tsunami). A study to determine the pattern of health ailments was conducted among children aged 18 years and below based at Seuneubok Camp, 30 km from Banda Aceh. All respondents were from Pulau Aceh and the total number of children seen and examined was 60. About 18% had lost their fathers, 10 % had lost their mothers and 27% had lost one or more of their siblings. 77% suffered some form of health ailments. The common health ailments were diarrhea (61%), respiratory complaints (59%) and fever (20%). About 38 % of preschoolers had loss of appetite and 28% had sleep disturbances. About 35% of the elementary school children suffered from sleep disturbances, 29% of the young adolescents suffered from headaches and 24% had sleep disturbances. Nearly a quarter (24%) of all the children felt fearful and anxious about the disaster. Nevertheless, 56% of the respondents wanted to return back to Pulau Aceh, although 14 % did not want to go back. Interestingly, 73% of the children voiced their gratitude to God for having been saved from death.
    Matched MeSH terms: Indian Ocean Islands
  9. Fulltext Current status of parasitic infections among Pangkor Island community in Peninsular Malaysia
    Ahmad AF, Ngui R, Muhammad Aidil R, Lim YA, Rohela M
    Trop Biomed, 2014 Dec;31(4):836-43.
    PMID: 25776610 MyJurnal
    Limited data is available on the prevalence of parasitic infections among the island communities in Malaysia with most studies performed between 1960s-1980s. This study was conducted to determine the current prevalence status of parasitic infections among communities living in Pangkor Island Peninsular Malaysia. A total of 131 stool and 298 serum samples were collected and subjected to microscopic examination for intestinal protozoa and helminths and detection of Toxoplasma gondii antibodies using commercial ELISA kits respectively. In addition, thin and thick peripheral blood films were microscopically screened for the presence of Plasmodium spp. and microfilariae respectively. The overall prevalence of intestinal parasitic infections among Pangkor Island community was 9.9% (13/131) with T. trichiura (5.3%) being the most common intestinal parasite detected. Toxoplasmosis was reported in almost 60% of the community with the seroprevalence being significantly high among females (64.7%) compared to males (52.8%) (p=0.038). None of those examined samples were infected with intestinal sarcocystosis, malaria and filariasis. This study revealed that the prevalence of intestinal parasitic infections among Pangkor Island community has been greatly reduced compared to that reported 35 years ago. Massive improvements in the socioeconomic status, personal hygiene, water facilities and sanitation may have contributed to the low prevalence of parasitic infections in this community. Nevertheless, further studies still need to be performed to determine the possible risk factors for the high prevalence of toxoplasmosis in this community.
    Matched MeSH terms: Islands/epidemiology
  10. Evolution of groundwater chemistry in the shallow aquifer of a small tropical island in Sabah, Malaysia
    Ahmad Zaharin Aris, Mohd Harun Abdullah, Praveena SM
    Sains Malaysiana, 2009;38.
    Groundwater is the prime source of freshwater in most small islands. A detailed groundwater and seawater chemistry study was undertaken from March 2006 to January 2007 to examine the evolution of groundwater in the shallow aquifer of Manukan Island, Sabah, Malaysia. Coastal groundwater aquifers especially for small islands are often exposed to heavy pumping and consequently to risks of seawater intrusion. Major ion chemistry analysis showed that the groundwater quality of the island experienced changes attributed to seawater intrusion. The groundwater has undergone a compositional change from Ca-rich to Na-rich which can be explained mostly by simple mixing process and cation exchange process. From the PHREEQC simulation model, calcite, dolomite and aragonite solubility showed positive mean values (0.65; 1.11; 0.51, respectively) of the saturation indices (SI) indicating supersaturation which attributed from the simple mixing and eventually cation exchange process. This information is important in protecting and remediating the disturbed aquifer situation.
    Matched MeSH terms: Islands
  11. Plasmodium knowlesi - an emerging pathogen
    Ahmed MA, Cox-Singh J
    ISBT science series, 2015 Apr;10(Suppl 1):134-140.
    PMID: 26029250
    Ten years have passed since the publication of a large focus of Plasmodium knowlesi infections in the human population. The discovery was made during a molecular investigation of atypical P. malariae cases in the Kapit Health Division, Sarawak, Malaysian Borneo. Patients were more symptomatic with higher parasite counts than expected in P. malariae infections. The investigation found only P. knowlesi DNA present in patient blood samples. Morphological similarity had allowed P. knowlesi to masquerade as P. malariae during routine diagnostic microscopy for malaria. P. knowlesi, a malaria parasite of macaque monkeys, had entered the human population. The subsequent development of P. knowlesi species-specific PCR assays soon demonstrated that the entry was not confined to the Kapit Division but extended across island and mainland Southeast Asia. Relevant clinical descriptions and guidelines for the treatment and management of patents with P. knowlesi malaria were not available. Nor was it clear whether P. knowlesi had undergone a host switch event into the human population or if infections were zoonotic. The outputs of studies on P. knowlesi malaria during the past 10 years will be summarized, highlighting major findings within the context of pathophysiology, virulence, host switch events, treatment, control and importantly malaria elimination.
    Matched MeSH terms: Islands
  12. Rediscovery of Micryletta inornata (Boulenger, 1890) from Sumatra: redescription, molecular identity, and taxonomic implications
    Alhadi F, Hamidy A, Farajallah A, Munir M, Atmaja VY, Garg S, et al.
    Zootaxa, 2019 Jun 04;4613(1):zootaxa.4613.1.5.
    PMID: 31716427 DOI: 10.11646/zootaxa.4613.1.5
    Micryletta inornata (Boulenger 1890), the type species of the genus Micryletta, was originally described from the island of Sumatra in Indonesia. Subsequently, this species has been widely reported from Sundaland (Sumatra and Malay Peninsula), Indo-China, Northeast India and South Andaman, up to southern China and Taiwan. However, since the original description there has been no further report of this species from the type locality or the island. During a herpetofaunal survey in Sumatra, several specimens that are morphologically concordant with the original description and the syntypes of M. inornata were found, and thus the species was rediscovered after 125 years. Here, we provide a redescription of the species based on the freshly collected specimens, along with a detailed morphological and molecular comparison with known congeners. Further, using molecular data from the mitochondrial 16S rRNA gene, our study recovered the Sumatran M. inornata as a phylogenetically distinct lineage from all other populations previously referred to this species. This confirms that all known Micryletta 'inornata' populations from regions outside Sumatra constitute several other lineages representing either new species or previously available names currently considered as synonyms, consequently requiring taxonomic validation in the future.
    Matched MeSH terms: Islands
  13. Occurrence of Angiostrongylus cantonensis in Madagascar, Mauritius, Ceylon, and Sarawak
    Alicata JE
    J Parasitol, 1965 Dec;51(6):937.
    PMID: 5848821
    Matched MeSH terms: Indian Ocean Islands
  14. Fulltext Tobacco smoking-associated genome-wide DNA methylation changes in the EPIC study
    Ambatipudi S, Cuenin C, Hernandez-Vargas H, Ghantous A, Le Calvez-Kelm F, Kaaks R, et al.
    Epigenomics, 2016 May;8(5):599-618.
    PMID: 26864933 DOI: 10.2217/epi-2016-0001
    AIM: Epigenetic changes may occur in response to environmental stressors, and an altered epigenome pattern may represent a stable signature of environmental exposure.

    MATERIALS & METHODS: Here, we examined the potential of DNA methylation changes in 910 prediagnostic peripheral blood samples as a marker of exposure to tobacco smoke in a large multinational cohort.

    RESULTS: We identified 748 CpG sites that were differentially methylated between smokers and nonsmokers, among which we identified novel regionally clustered CpGs associated with active smoking. Importantly, we found a marked reversibility of methylation changes after smoking cessation, although specific genes remained differentially methylated up to 22 years after cessation.

    CONCLUSION: Our study has comprehensively cataloged the smoking-associated DNA methylation alterations and showed that these alterations are reversible after smoking cessation.

    Matched MeSH terms: CpG Islands
  15. Fulltext Metagenomic data on bacterial diversity profiling of high-microbial-abundance tropical marine sponges Aaptos aaptos and Xestospongia muta from waters off terengganu, South China Sea
    Amelia TSM, Lau NS, Amirul AA, Bhubalan K
    Data Brief, 2020 Aug;31:105971.
    PMID: 32685631 DOI: 10.1016/j.dib.2020.105971
    Marine sponges are acknowledged as a bacterial hotspot and resource of novel natural products or genetic material with industrial or commercial potential. However, sponge-associated bacteria are difficult to be cultivated and the production of their desirable metabolites is inadequate in terms of rate and quantity, yet bioinformatics and metagenomics tools are steadily progressing. Bacterial diversity profiles of high-microbial-abundance wild tropical marine sponges Aaptos aaptos and Xestospongia muta were obtained by sample collection at Pulau Bidong and Pulau Redang islands, 16S rRNA amplicon sequencing on Illumina HiSeq2500 platform (250 bp paired-end) and metagenomics analysis using Ribosomal Database Project (RDP) classifier. Raw sequencing data in fastq format and relative abundance histograms of the dominant 10 species are available in the public repository Discover Mendeley Data (http://dx.doi.org/10.17632/zrcks5s8xp). Filtered sequencing data of operational taxonomic unit (OTU) with chimera removed is available in NCBI accession numbers from MT464469 to MT465036.
    Matched MeSH terms: Islands
  16. Fulltext Data on partial polyhydroxyalkanoate synthase genes (phaC) mined from Aaptos aaptos marine sponge-associated bacteria metagenome
    Amelia TSM, Amirul AA, Bhubalan K
    Data Brief, 2018 Feb;16:75-80.
    PMID: 29188224 DOI: 10.1016/j.dib.2017.11.011
    We report data associated with the identification of three polyhydroxyalkanoate synthase genes (phaC) isolated from the marine bacteria metagenome of Aaptos aaptos marine sponge in the waters of Bidong Island, Terengganu, Malaysia. Our data describe the extraction of bacterial metagenome from sponge tissue, measurement of purity and concentration of extracted metagenome, polymerase chain reaction (PCR)-mediated amplification using degenerate primers targeting Class I and II phaC genes, sequencing at First BASE Laboratories Sdn Bhd, and phylogenetic analysis of identified and known phaC genes. The partial nucleotide sequences were aligned, refined, compared with the Basic Local Alignment Search Tool (BLAST) databases, and released online in GenBank. The data include the identified partial putative phaC and their GenBank accession numbers, which are Rhodocista sp. phaC (MF457754), Pseudomonas sp. phaC (MF437016), and an uncultured bacterium AR5-9d_16 phaC (MF457753).
    Matched MeSH terms: Islands
  17. Fulltext Nutritional, phytochemical and pharmacological properties of Mikania micrantha Kunth
    Amirah Haziyah Ishak, Nurul Husna Shafie, Norhaizan Mohd Esa, Hasnah Bahari
    The Pertanika Journal of Scholarly Research Reviews, 2016;2(3):123-132.
    MyJurnal
    Mikania micrantha Kunth (Asteraceae) is a perennial creeping vine that can be found in South and North America, Africa, Pacific Islands and Southeast Asia, including Southern China and Malaysia. Previous studies have reported that this plant possesses several pharmacological properties which can be used to prevent and cure several diseases. Phytochemicals found from various parts of M. micrantha have been linked to beneficial medicinal properties such as antioxidant, antimicrobial, antitumour, anti-inflammatory, anti-stress, and also anti-diabetic activities. The primary aim of this paper is to review available scientific information on the nutritional, phytochemical and pharmacological properties of M. micrantha to provide baseline information for future studies.
    Matched MeSH terms: Pacific Islands
  18. Fulltext Coastal proximity of populations in 22 Pacific Island Countries and Territories
    Andrew NL, Bright P, de la Rua L, Teoh SJ, Vickers M
    PLoS One, 2019;14(9):e0223249.
    PMID: 31568527 DOI: 10.1371/journal.pone.0223249
    The coastal zones of Small Island States are hotspots of human habitation and economic endeavour. In the Pacific region, as elsewhere, there are large gaps in understandings of the exposure and vulnerability of people in coastal zones. The 22 Pacific Countries and Territories (PICTs) are poorly represented in global analyses of vulnerability to seaward risks. We combine several data sources to estimate populations to zones 1, 5 and 10 km from the coastline in each of the PICTs. Regional patterns in the proximity of Pacific people to the coast are dominated by Papua New Guinea. Overall, ca. half the population of the Pacific resides within 10 km of the coast but this jumps to 97% when Papua New Guinea is excluded. A quarter of Pacific people live within 1 km of the coast, but without PNG this increases to slightly more than half. Excluding PNG, 90% of Pacific Islanders live within 5 km of the coast. All of the population in the coral atoll nations of Tokelau and Tuvalu live within a km of the ocean. Results using two global datasets, the SEDAC-CIESIN Gridded Population of the World v4 (GPWv4) and the Oak Ridge National Laboratory Landscan differed: Landscan under-dispersed population, overestimating numbers in urban centres and underestimating population in rural areas and GPWv4 over-dispersed the population. In addition to errors introduced by the allocation models of the two methods, errors were introduced as artefacts of allocating households to 1 km x 1 km grid cell data (30 arc-seconds) to polygons. The limited utility of LandScan and GPWv4 in advancing this analysis may be overcome with more spatially resolved census data and the inclusion of elevation above sea level as an important dimension of vulnerability.
    Matched MeSH terms: Pacific Islands/ethnology
  19. Comparative Genome Analysis of Fusobacterium nucleatum
    Ang MY, Dutta A, Wee WY, Dymock D, Paterson IC, Choo SW
    Genome Biol Evol, 2016 10 05;8(9):2928-2938.
    PMID: 27540086
    Fusobacterium nucleatum is considered to be a key oral bacterium in recruiting periodontal pathogens into subgingival dental plaque. Currently F. nucleatum can be subdivided into five subspecies. Our previous genome analysis of F. nucleatum W1481 (referred to hereafter as W1481), isolated from an 8-mm periodontal pocket in a patient with chronic periodontitis, suggested the possibility of a new subspecies. To further investigate the biology and relationships of this possible subspecies with other known subspecies, we performed comparative analysis between W1481 and 35 genome sequences represented by the five known Fusobacterium subspecies. Our analyses suggest that W1481 is most likely a new F. nucleatum subspecies, supported by evidence from phylogenetic analyses and maximal unique match indices (MUMi). Interestingly, we found a horizontally transferred W1481-specific genomic island harboring the tripartite ATP-independent (TRAP)-like transporter genes, suggesting this bacterium might have a high-affinity transport system for the C4-dicarboxylates malate, succinate, and fumarate. Moreover, we found virulence genes in the W1481 genome that may provide a strong defense mechanism which might enable it to colonize and survive within the host by evading immune surveillance. This comparative study provides better understanding of F. nucleatum and the basis for future functional work on this important pathogen.
    Matched MeSH terms: Genomic Islands
  20. Pollen and seed morphology of Rhinacanthus Nees and Hypoestes sol.ex R. Br. (Acanthaceae) of Yemen
    Anisa S. Al-Hakimi, Haja Maideen, Latiff A
    Sains Malaysiana, 2015;44:7-15.
    Pollens and seeds of Hypoestes and Rhinacanthus collected from different field localities in Taiz and Soqotra Island, Yemen were investigated by using light and scanning electron microscopes. Pollen grains of Hypoestes were prolate in equatorial view, lobate trigonal to lobate circular in polar view whereas those of Rhinacanthus were subspheroidal and rounded trigonal in polar view. The aperture was tricolporate and exine ornamentation was coarsely reticulate for all species in the two genera. Scanning electron microscopy and morphological observations showed that mature dry seeds of Hypoestes and Rhinacanthus have various sizes and shapes, the surface ornamentations observed were reticulate to cristate, an addition to the tuberculum and papillae. The three Hypoestes species differ in the seed structure which are useful for identification and their high structural diversity provides an important taxonomic value for species differentiation.
    Matched MeSH terms: Islands
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