Displaying publications 1 - 20 of 95 in total

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  1. Suhaimi NS, Yap KP, Ajam N, Thong KL
    FEMS Microbiol Lett, 2014 Sep;358(1):11-3.
    PMID: 25047976
    Kosakonia radicincitans (formerly known as Enterobacter radicincitans), an endophytic bacterium was isolated from the symptomatic tissues of bacterial wilt diseased banana (Musa spp.) plant in Malaysia. The total genome size of K. radicincitans UMEnt01/12 is 5 783 769 bp with 5463 coding sequences (CDS), 75 tRNAs, and 9 rRNAs. The annotated draft genome of the K. radicincitans UMEnt01/12 strain might shed light on its role as a bacterial wilt-associated bacterium.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  2. Tan KK, Tan YC, Chang LY, Lee KW, Nore SS, Yee WY, et al.
    BMC Genomics, 2015;16:93.
    PMID: 25888205 DOI: 10.1186/s12864-015-1294-x
    Brucellosis is an important zoonotic disease that affects both humans and animals. We sequenced the full genome and characterised the genetic diversity of two Brucella melitensis isolates from Malaysia and the Philippines. In addition, we performed a comparative whole-genome single nucleotide polymorphism (SNP) analysis of B. melitensis strains collected from around the world, to investigate the potential origin and the history of the global spread of B. melitensis.
    Matched MeSH terms: DNA, Bacterial/chemistry
  3. Lim HK, Syed MA, Shukor MY
    J Basic Microbiol, 2012 Jun;52(3):296-305.
    PMID: 22052341 DOI: 10.1002/jobm.201100121
    A novel molybdate-reducing bacterium, tentatively identified as Klebsiella sp. strain hkeem and based on partial 16s rDNA gene sequencing and phylogenetic analysis, has been isolated. Strain hkeem produced 3 times more molybdenum blue than Serratia sp. strain Dr.Y8; the most potent Mo-reducing bacterium isolated to date. Molybdate was optimally reduced to molybdenum blue using 4.5 mM phosphate, 80 mM molybdate and using 1% (w/v) fructose as a carbon source. Molybdate reduction was optimum at 30 °C and at pH 7.3. The molybdenum blue produced from cellular reduction exhibited absorption spectrum with a maximum peak at 865 nm and a shoulder at 700 nm. Inhibitors of electron transport system such as antimycin A, rotenone, sodium azide, and potassium cyanide did not inhibit the molybdenum-reducing enzyme. Mercury, silver, and copper at 1 ppm inhibited molybdenum blue formation in whole cells of strain hkeem.
    Matched MeSH terms: DNA, Bacterial/chemistry
  4. Chen JW, Gan HM, Yin WF, Chan KG
    J Bacteriol, 2012 Dec;194(23):6681-2.
    PMID: 23144419 DOI: 10.1128/JB.01866-12
    Roseomonas sp. strain B5 was isolated from Malaysian tropical soil that showed N-acylhomoserine lactone degradation. This is the first genome announcement of a member from the genus of Roseomonas and the first report on the quorum-quenching activity of Roseomonas spp.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  5. Ngeow YF, Wong YL, Tan JL, Ong CS, Ng KP, Choo SW
    J Bacteriol, 2012 Dec;194(23):6662.
    PMID: 23144407 DOI: 10.1128/JB.01846-12
    Mycobacterium abscessus is an environmental bacterium with increasing clinical relevance. Here, we report the annotated whole-genome sequence of M. abscessus strain M152.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  6. Hong KW, Gan HM, Low SM, Lee PK, Chong YM, Yin WF, et al.
    J Bacteriol, 2012 Dec;194(23):6610.
    PMID: 23144374 DOI: 10.1128/JB.01619-12
    Pantoea sp. strain A4 is a Gram-negative bacterium isolated from the Rafflesia flower. We present here, for the first time, the genome sequence of Rafflesia-associated Pantoea sp. strain A4, which exhibited quorum-sensing activity.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  7. Gan HM, Chew TH, Hudson AO, Savka MA
    J Bacteriol, 2012 Sep;194(18):5157-8.
    PMID: 22933776 DOI: 10.1128/JB.01201-12
    Methylobacterium sp. strain GXF4 is an isolate from grapevine. Here we present the sequence, assembly, and annotation of its genome, which may shed light on its role as a grapevine xylem inhabitant. To our knowledge, this is the first genome announcement of a plant xylem-associated strain of the genus Methylobacterium.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  8. Muhd Sakaff MK, Abdul Rahman AY, Saito JA, Hou S, Alam M
    J Bacteriol, 2012 Mar;194(5):1239.
    PMID: 22328744 DOI: 10.1128/JB.06580-11
    Geobacillus thermoleovorans CCB_US3_UF5 is a thermophilic bacterium isolated from a hot spring in Malaysia. Here, we report the complete genome of G. thermoleovorans CCB_US3_UF5, which shows high similarity to the genome of Geobacillus kaustophilus HTA 426 in terms of synteny and orthologous genes.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  9. Ngeow YF, Wee WY, Wong YL, Tan JL, Ongi CS, Ng KP, et al.
    J Bacteriol, 2012 Nov;194(21):6002-3.
    PMID: 23045507 DOI: 10.1128/JB.01455-12
    Mycobacterium abscessus is a ubiquitous, rapidly growing species of nontuberculous mycobacteria that colonizes organic surfaces and is frequently associated with opportunistic infections in humans. We report here the draft genome sequence of Mycobacterium abscessus strain M139, which shows genomic features reported to be characteristic of both Mycobacterium abscessus subsp. abscessus and Mycobacterium abscessus subsp. massiliense.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  10. Gan HM, McGroty SE, Chew TH, Chan KG, Buckley LJ, Savka MA, et al.
    J Bacteriol, 2012 Nov;194(21):5981-2.
    PMID: 23045495 DOI: 10.1128/JB.01469-12
    Enterobacter sp. strain SST3 is an endophytic bacterium isolated from Saccharum spp. Here we present its annotated draft genome that may shed light on its role as a bacterial endophyte of sugarcane. To our knowledge, this is the first genome announcement of a sugarcane-associated bacterium from the genus Enterobacter.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  11. Choo SW, Wong YL, Yusoff AM, Leong ML, Wong GJ, Ong CS, et al.
    J Bacteriol, 2012 Jun;194(12):3278.
    PMID: 22628507 DOI: 10.1128/JB.00492-12
    Mycobacterium abscessus is a rapid-growing species of nontuberculous mycobacteria that is frequently associated with opportunistic infections in humans. We report herein the draft genome sequence of M. abscessus strain M93.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  12. Teh BS, Abdul Rahman AY, Saito JA, Hou S, Alam M
    J Bacteriol, 2012 Mar;194(5):1240.
    PMID: 22328745 DOI: 10.1128/JB.06589-11
    Thermus sp. strain CCB_US3_UF1, a thermophilic bacterium, has been isolated from a hot spring in Malaysia. Here, we present the complete genome sequence of Thermus sp. CCB_US3_UF1.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  13. Ngeow YF, Wong YL, Tan JL, Arumugam R, Wong GJ, Ong CS, et al.
    J Bacteriol, 2012 Aug;194(15):4125.
    PMID: 22815444 DOI: 10.1128/JB.00712-12
    Mycobacterium massiliense is a rapidly growing mycobacterial species. The pathogenicity of this subspecies is not well known. We report here the annotated genome sequence of M. massiliense strain M18, which was isolated from a lymph node biopsy specimen from a Malaysian patient suspected of having tuberculous cervical lymphadenitis.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  14. Yap KP, Teh CS, Baddam R, Chai LC, Kumar N, Avasthi TS, et al.
    J Bacteriol, 2012 Sep;194(18):5124-5.
    PMID: 22933756 DOI: 10.1128/JB.01062-12
    Salmonella enterica serovar Typhi is the causative agent of typhoid fever, which causes nearly 21.7 million illnesses and 217,000 deaths globally. Herein, we describe the whole-genome sequence of the Salmonella Typhi strain ST0208, isolated from a sporadic case of typhoid fever in Kuala Lumpur, Malaysia. The whole-genome sequence and comparative genomics allow an in-depth understanding of the genetic diversity, and its link to pathogenicity and evolutionary dynamics, of this highly clonal pathogen that is endemic to Malaysia.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  15. Gan HM, Chew TH, Tay YL, Lye SF, Yahya A
    J Bacteriol, 2012 Sep;194(18):5139-40.
    PMID: 22933765 DOI: 10.1128/JB.01165-12
    Ralstonia sp. strain PBA was isolated from textile wastewater in a coculture with Hydrogenophaga sp. strain PBC. Here we present the assembly and annotation of its genome, which may provide further insights into the mechanism of its interaction with strain PBC during 4-aminobenzenesulfonate degradation.
    Matched MeSH terms: DNA, Bacterial/chemistry*
  16. Uddin SM, Ibrahim F, Sayad AA, Thiha A, Pei KX, Mohktar MS, et al.
    Sensors (Basel), 2015 Mar 05;15(3):5376-89.
    PMID: 25751077 DOI: 10.3390/s150305376
    In recent years, many improvements have been made in foodborne pathogen detection methods to reduce the impact of food contamination. Several rapid methods have been developed with biosensor devices to improve the way of performing pathogen detection. This paper presents an automated endpoint detection system for amplicons generated by loop mediated isothermal amplification (LAMP) on a microfluidic compact disk platform. The developed detection system utilizes a monochromatic ultraviolet (UV) emitter for excitation of fluorescent labeled LAMP amplicons and a color sensor to detect the emitted florescence from target. Then it processes the sensor output and displays the detection results on liquid crystal display (LCD). The sensitivity test has been performed with detection limit up to 2.5 × 10(-3) ng/µL with different DNA concentrations of Salmonella bacteria. This system allows a rapid and automatic endpoint detection which could lead to the development of a point-of-care diagnosis device for foodborne pathogens detection in a resource-limited environment.
    Matched MeSH terms: DNA, Bacterial/chemistry
  17. Tajabadi N, Mardan M, Saari N, Mustafa S, Bahreini R, Manap MY
    Braz J Microbiol, 2013;44(3):717-22.
    PMID: 24516438
    This study aimed to isolate and identify Lactobacillus in the honey stomach of honeybee Apis dorsata. Samples of honeybee were collected from A. dorsata colonies in different bee trees and Lactobacillus bacteria isolated from honey stomachs. Ninety two isolates were Gram-stained and tested for catalase reaction. By using bacterial universal primers, the 16S rDNA gene from DNA of bacterial colonies amplified with polymerase chain reaction (PCR). Forty-nine bacterial 16S rDNA gene were sequenced and entrusted in GenBank. Phylogenetic analysis showed they were different phylotypes of Lactobacillus. Two of them were most closely relevant to the previously described species Lactobacillus plantarum. Other two phylotypes were identified to be closely related to Lactobacillus pentosus. However, only one phylotype was found to be distantly linked to the Lactobacillus fermentum. The outcomes of the present study indicated that L. plantarum, L. pentosus, and L. fermentum were the dominant lactobacilli in the honey stomach of honeybee A. dorsata collected during the dry season from Malaysia forest area - specifically "Melaleuca in Terengganu".
    Matched MeSH terms: DNA, Bacterial/chemistry
  18. Jonet MA, Mahadi NM, Murad AM, Rabu A, Bakar FD, Rahim RA, et al.
    PMID: 22456489 DOI: 10.1159/000336524
    A heterologous signal peptide (SP) from Bacillus sp. G1 was optimized for secretion of recombinant cyclodextrin glucanotransferase (CGTase) to the periplasmic and, eventually, extracellular space of Escherichia coli. Eight mutant SPs were constructed using site-directed mutagenesis to improve the secretion of recombinant CGTase. M5 is a mutated SP in which replacement of an isoleucine residue in the h-region to glycine created a helix-breaking or G-turn motif with decreased hydrophobicity. The mutant SP resulted in 110 and 94% increases in periplasmic and extracellular recombinant CGTase, respectively, compared to the wild-type SP at a similar level of cell lysis. The formation of intracellular inclusion bodies was also reduced, as determined by sodium dodecyl sulfate-polyacrylamyde gel electrophoresis, when this mutated SP was used. The addition of as low as 0.08% glycine at the beginning of cell growth improved cell viability of the E. coli host. Secretory production of other proteins, such as mannosidase, also showed similar improvement, as demonstrated by CGTase production, suggesting that the combination of an optimized SP and a suitable chemical additive leads to significant improvements of extracellular recombinant protein production and cell viability. These findings will be valuable for the extracellular production of recombinant proteins in E. coli.
    Matched MeSH terms: DNA, Bacterial/chemistry
  19. Neela V, Ghasemzadeh Moghaddam H, van Belkum A, Horst-Kreft D, Mariana NS, Ghaznavi Rad E
    Eur J Clin Microbiol Infect Dis, 2010 Jan;29(1):115-7.
    PMID: 19779745 DOI: 10.1007/s10096-009-0813-6
    Methicillin-resistant Staphylococcus aureus (MRSA) from Malaysia were shown to possess staphylococcal cassette chromosome mec (SCCmec)-III and IIIA. Spa sequencing and multi-locus sequence typing (MLST) documented t037 and ST 239 (CC8) for 83.3% of the isolates. This confirms observations in several other Far Eastern countries and corroborates the epidemicity of this clone.
    Matched MeSH terms: DNA, Bacterial/chemistry
  20. Slack AT, Khairani-Bejo S, Symonds ML, Dohnt MF, Galloway RL, Steigerwalt AG, et al.
    Int J Syst Evol Microbiol, 2009 Apr;59(Pt 4):705-8.
    PMID: 19329592 DOI: 10.1099/ijs.0.002766-0
    A single Leptospira strain (designated Bejo-Iso9(T)) was isolated from a soil sample taken in Johor, Malaysia. The isolate showed motility and morphology typical of the genus Leptospira under dark-field microscopy. Cells were found to be 10-13 microm in length and 0.2 microm in diameter, with a wavelength of 0.5 microm and an amplitude of approximately 0.2 microm. Phenotypically, strain Bejo-Iso9(T) grew in Ellinghausen-McCullough-Johnson-Harris medium at 13, 30 and 37 degrees C, and also in the presence of 8-azaguanine. Serologically, strain Bejo-Iso9(T) produced titres towards several members of the Tarassovi serogroup, but was found to be serologically unique by cross-agglutinin absorption test and thus represented a novel serovar. The proposed name for this serovar is Malaysia. Phylogenetic analysis of 16S rRNA gene sequences placed this novel strain within the radiation of the genus Leptospira, with sequence similarities within the range 90.4-99.5% with respect to recognized Leptospira species. DNA-DNA hybridization against the three most closely related Leptospira species was used to confirm the results of the 16S rRNA gene sequence analysis. The G+C content of the genome of strain Bejo-Iso9(T) was 36.2 mol%. On the basis of phenotypic, serological and phylogenetic data, strain Bejo-Iso9(T) represents a novel species of the genus Leptospira, for which the name Leptospira kmetyi sp. nov. is proposed. The type strain is Bejo-Iso9(T) (=WHO LT1101(T)=KIT Bejo-Iso9(T)).
    Matched MeSH terms: DNA, Bacterial/chemistry
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