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Strain XY-J91, a Gram-stain-negative, reddish orange, non-spore-forming and short-rod-shaped marine bacterium, was isolated from rhizosphere soil of the mangrove plant (L.) Druce in Mai Po Nature Reserve, Hong Kong. The strain showed growth at 15-50 °C (optimum 40 °C), at pH 5.5-9.5 (optimum 7.0-8.0) and with 0-8 % (w/v) NaCl (optimum 1-2 %). The only respiratory quinone was MK-7 and the major fatty acids were iso-C and iso-C 3-OH. The major polar lipids were phosphatidylethanolamine, an unidentified aminolipid and an unidentified phospholipid. The G+C content of strain XY-J91 was 40.4 mol%. Strain XY-J91 exhibited highest 16S rRNA gene sequence similarities to the type strains of SW-2 (96.66 %), CC-PR-82 (96.21%), JC2052 (96.16%), HJM-2 (95.73%) and 12C11 (95.52 %). Based on the phylogenetic, phenotypic and chemotaxonomic evidence presented, strain XY-J91 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is XY-J91 (=MCCC 1K03612=KCTC 72216).
This article was published in the following journal.
Name: International journal of systematic and evolutionary microbiology
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The immediate physical zone surrounding plant roots that include the plant roots. It is an area of intense and complex biological activity involving plants, microorganisms, other soil organisms, and the soil.
A non-pathogenic species of Pseudomonas that occurs in soil, especially in the RHIZOSPHERE surrounding plant roots, as well as on the leaves of plants. It has anti-fungal and anti-nematode activities and is used in agriculture as a biocontrol agent.
A group of phenotypically similar but genotypically distinct species (genomovars) in the genus BURKHOLDERIA. They are found in water, soil, and the rhizosphere of crop plants. They can act as opportunistic human pathogens and as plant growth promoting and biocontrol agents.
A species of bacteria isolated from soil.
A plant family of the order Rhizophorales, subclass Rosidae, class Magnoliopsida, that includes mangrove trees.
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