- Plant-Microbe Interactions and Immunity
- Legume Nitrogen Fixing Symbiosis
- Biofuel production and bioconversion
- Genomics and Phylogenetic Studies
- Microbial metabolism and enzyme function
- Enzyme Production and Characterization
- Plant Disease Resistance and Genetics
- Microbial Community Ecology and Physiology
- Traumatic Brain Injury and Neurovascular Disturbances
- Ophthalmology and Visual Impairment Studies
- Nematode management and characterization studies
- Cardiovascular and Diving-Related Complications
- Cardiac, Anesthesia and Surgical Outcomes
- Plant Pathogens and Fungal Diseases
- Plant responses to water stress
- Agriculture, Soil, Plant Science
- Fungal and yeast genetics research
- Gut microbiota and health
- Corneal surgery and disorders
- Food composition and properties
- Plant nutrient uptake and metabolism
- Plant Pathogenic Bacteria Studies
- Bacterial biofilms and quorum sensing
- Plant tissue culture and regeneration
- Microbial Metabolites in Food Biotechnology
Temasek Life Sciences Laboratory
2013-2024
National University of Singapore
2009-2024
Tamil Nadu Agricultural University
2009-2017
Chungbuk National University
2005-2009
<h3>Aims</h3> To investigate the risk factors for myopia, including near work and outdoor activity, in Singapore Chinese preschool children. <h3>Methods</h3> A cross-sectional study, with disproportionate random sampling by 6-month age groups, of 3009 children aged 6–72 months was performed. Information on family history, activity obtained. Spherical equivalent refraction (SER) assessed. <h3>Results</h3> Children two myopic parents were more likely to be (adjusted OR=1.91; 95% CI 1.38 2.63)...
A Gram-positive bacterium, designated strain CBMB205(T), was isolated from the rhizosphere soil of traditionally cultivated, field-grown rice. Cells were strictly aerobic, motile, rod-shaped and formed endospores. The best growth achieved at 30°C pH 7.0 in ammonium mineral salts (AMS) medium containing 600 mM methanol. comparative 16S rRNA gene sequence-based phylogenetic analysis placed CBMB205(T) a clade with species Bacillus amyloliquefaciens, vallismortis, subtilis, atrophaeus,...
Pink-pigmented facultatively methylotrophic bacteria (PPFMs), persistent colonizers of plant leaf surfaces, belong to the genus Methrlobacterium and are mostly transmitted through seeds. Plant growth-promoting activity their effects on disease suppression were evaluated rice under greenhouse conditions. Rice seeds inoculated with Methylobacterium sp. strain PPFM-Os-07 seed germination was in terms morphometric measurements, seedling growth, rate (R(subscript G)), vigour index (SVI). Another...
A pink-pigmented, facultatively methylotrophic bacterium, strain CBMB20 T , isolated from stem tissues of rice, was analysed by a polyphasic approach. Strain utilized 1-aminocyclopropane 1-carboxylate (ACC) as nitrogen source and produced ACC deaminase. It related phylogenetically to members the genus Methylobacterium . 16S rRNA gene sequence analysis indicated that most closely fujisawaense radiotolerans mesophilicum ; however, DNA–DNA hybridization values were less than 70 % with type...
Two isolates from rhizosphere soil of cotton, designated Gh-67(T) and Gh-48(T), which produced large amounts extracellular polysaccharide possessed plant-growth-promoting traits, were characterized phenotypically genotypically. The strains Gram-negative cells non-motile rods that grew optimally at 28°C between pH 4 7. 16S rRNA gene sequence analysis Gh-48(T) placed them in the genus Mucilaginibacter, with pairwise similarity type related genera ranging 93.9 to 98.2 %. major fatty acids...
Aims: To evaluate whether the gut bacteria of insecticide‐resistant, insecticide‐susceptible and field‐caught populations lepidopteran insect pest diamondback moth (DBM) –Plutella xylostella (L.) – are variable their role in host protection nutrition. Methods Results: The bacterial three DBM larvae were found to be significantly different, irrespective developmental stage. 16S rRNA gene sequence analysis revealed that population from prothiofos‐resistant larval was more diversified with...
A pink-pigmented, aerobic, facultatively methylotrophic bacterial strain, CBMB27T, isolated from leaf tissues of rice (Oryza sativa L. 'Dong-Jin'), was analysed using a polyphasic taxonomic approach. Comparative 16S rRNA gene sequence-based phylogenetic analysis placed the strain in clade with species Methylobacterium oryzae, fujisawaense and mesophilicum; CBMB27T showed sequence similarities 98.3, 98.5 97.3 %, respectively, to type strains these three species. DNA–DNA hybridization...
Three novel bacterial strains, designated Vu-144(T), Vu-7 and Vu-35, were isolated on minimal medium from rhizosphere soil of field-grown cowpea subjected to a taxonomic study using polyphasic approach. Cells the strains Gram-stain-negative, non-motile, non-spore-forming, coccoid rods, formed non-pigmented colonies. Phylogenetic analysis based 16S rRNA gene sequences revealed that strain Vu-144(T) was affiliated with an uncultivated lineage phylum Bacteroidetes. Its closest phylogenetic...
Summary Secretion is a fundamental process that plant pathogens utilize to deliver effectors into the host downregulate immunity and promote infection. Here, we uncover fascinating membrane trafficking delivery route originates from vacuolar membranes in Magnaporthe oryzae conduits interface plasma membrane. To perform such secretory/trafficking function, MoRab7 first recruits retromer complex membrane, enabling recognition of family SNARE proteins, including MoSnc1. Live‐cell imaging...
In Magnaporthe oryzae, the causal ascomycete of devastating rice blast disease, conidial germ tube tip must sense and respond to a wide array requisite cues from host in order switch polarized isotropic growth, ultimately forming dome-shaped infection cell known as appressorium. Although role for G-protein mediated Cyclic AMP signaling appressorium formation was first identified almost two decades ago, little is about spatio-temporal dynamics cascade how signal transmitted through...
Microbacterium strain AI-S262(T) was isolated from the rhizoplane of neem seedlings in Botanical garden Tamilnadu Agricultural University, Coimbatore, India, and subjected to phenotypic, chemotaxonomic genetic characterization. Cells this were Gram-stain-positive, motile, non-spore-forming, short rods formed light-yellow-pigmented colonies on nutrient agar. Strain contained MK-12 MK-13 as main respiratory quinones, anteiso-C(15 : 0), anteiso-C(17 0) iso-C(16 predominant fatty acids,...
A methylotrophic nitrogen-fixing bacterial strain, Ah-143 T , isolated from the rhizosphere soil of field-grown groundnut was analysed by a polyphasic taxonomic approach. Comparative 16S rRNA gene sequence analysis combined with rpoB allocated strain to family Enterobacteriaceae Enterobacter radicincitans and cowanii as closest relatives. The is Gram-stain-negative, non-spore-forming, aerobic motile, having straight rod-shaped cells DNA G + C content approximately 53.2 mol%. utilizes...
A pink, aerobic, facultatively methylotrophic, motile, Gram-negative rod, designated Gh-105(T), was isolated from the phyllosphere of cotton Coimbatore (Tamilnadu, India). 16S rRNA gene sequence analysis showed clearly that isolate belonged to Methylobacterium cluster. Strain Gh-105(T) most closely related adhaesivum AR27(T) (99% similarity) and iners 5317S-33(T) (97.5%). The grew with C(1) compounds such as methanol dichloromethane, but not formaldehyde, formate, methylamine, trimethylamine...