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Strain XY-J91T, a Gram-stain-negative, reddish orange, non-spore-forming and short-rod-shaped marine bacterium, was isolated from rhizosphere soil of the mangrove plant Kandelia candel (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-C15 : 0 and iso-C17 : 0 3-OH. The major polar lipids were phosphatidylethanolamine, an unidentified aminolipid and an unidentified phospholipid. The G+C content of strain XY-J91T was 40.4 mol%. Strain XY-J91T exhibited highest 16S rRNA gene sequence similarities to the type strains of Algoriphagus marincola SW-2T (96.66 %), Algoriphagus taiwanensis CC-PR-82T (96.21%), Algoriphagus ornithinivorans JC2052T (96.16%), Algoriphagus confluentis HJM-2T (95.73%) and Algoriphagus zhangzhouensis 12C11T (95.52 %). Based on the phylogenetic, phenotypic and chemotaxonomic evidence presented, strain XY-J91T represents a novel species of the genus Algoriphagus , for which the name Algoriphagus kandeliae sp. nov. is proposed. The type strain is XY-J91T (=MCCC 1K03612T=KCTC 72216T).
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