ArticlePloS one2018
Taxonomy and physiology of Pseudoxanthomonas arseniciresistens sp. nov., an arsenate and nitrate-reducing novel gammaproteobacterium from arsenic contaminated groundwater, India.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 44 citations in OpenAlex.
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- Ascophyllum nodosum based plant biostimulant shapes the bacterial community in the rhizosphere of corn.BMC plant biology · 2025Article
- Microbiological exploration of the Cueva del Viento lava tube system in Tenerife, Canary Islands.Environmental microbiology reports · 2024Article
- The copper resistance mechanism in a newly isolated Pseudoxanthomonas spadix ZSY-33.Environmental microbiology reports · 2023Article
- Influence of host genotype in establishing root associated microbiome ofFrontiers in microbiology · 2022Article
- A Correlation Study of the Microbiota Between Oral Cavity and Tonsils in Children With Tonsillar Hypertrophy.Frontiers in cellular and infection microbiology · 2021Article
- Design of a culture medium for optimal growth of the bacterium Pseudoxanthomonas indica H32 allowing its production as biopesticide and biofertilizer.AMB Express · 2020Article
- Molecular and taxonomic characterization of arsenic (As) transforming Bacillus sp. strain IIIJ3-1 isolated from As-contaminated groundwater of Brahmaputra river basin, India.BMC microbiology · 2020Article
- Biodegradation of Unpretreated Low-Density Polyethylene (LDPE) byFrontiers in microbiology · 2020Article
- Metagenomic Evidence for aFrontiers in microbiology · 2018Article
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Authors and funding
5 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Reductive transformation of toxic arsenic (As) species by As reducing bacteria (AsRB) is a key process in As-biogeochemical-cycling within the subsurface aquifer environment. In this study, we have characterized a Gram-stain-negative, non-spore-forming, rod-shaped As reducing bacterium designated KAs 5-3T, isolated from highly As-contaminated groundwater of India. Strain KAs 5-3T displayed high 16S rRNA gene sequence similarity to the members of the genus Pseudoxanthomonas, with P. mexicana AMX 26BT (99.25% similarity), P. japonensis 12-3T (98.9 0%), P. putridarboris WD-12T (98.02%), and P. indica P15T (97.27%) as closest phylogenetic neighbours. DNA-DNA hybridization study unambiguously indicated that strain KAs 5-3T represented a novel species that was separate from reference strains of P. mexicana AMX 26BT (35.7%), P. japonensis 12-3T (35.5%), P. suwonensis 4M1T (35.5%), P. wuyuanensis XC21-2T (35.0%), P. indica P15T (32.5%), P. daejeonensis TR6-08T (32.0%), and P. putridarboris WD12T (22.1%). The DNA G+C content of strain KAs 5-3T was 64.9 mol %. The predominant fatty acids were C15:0 (37.4%), C16:0 iso (12.6%), C17:1 iso ω9c (10.5%), C15:0 anteiso (9.5%), C11:0 iso 3-OH (8.5%), and C16:1 ω7c/ C16:1 ω6c (7.5%). The major polar lipids were diphosphatidylglycerol, phosphatidyldimethylethanolamine, phosphatidylcholine, and two unknown phospholipids (PL1, PL2). Ubiquinone 8 (Q8) was the predominant respiratory quinone and spermidine was the major polyamine of the strain KAs 5-3T. Cells of strain KAs 5-3T showed the ability to use O2, As5+, NO3-, NO2-, and Fe3+ as terminal electron acceptors as well as to reduce As5+ through the cytosolic process under aerobic incubations. Genes encoding arsenate reductase (arsC) for As-detoxification, nitrate- and nitrite reductase (narG and nirS) for denitrification were detected in the strain KAs 5-3T. Based on taxonomic and physiological data, strain KAs 5-3T is described as a new representative member of the genus Pseudoxanthomonas, for which the name Pseudoxanthomonas arseniciresistens sp. nov. is proposed. The type strain is KAs 5-3T (= LMG 29169T = MTCC 12116T = MCC 3121T).
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