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Strain 7_F195T was previously isolated from chicken feather waste collected from an abattoir in Bloemfontein, South Africa. A polyphasic approach was followed to determine if strain 7_F195T belongs to the genus Chryseobacterium and if the organism can be classified as a new species. The nearest neighbours, based on 16S rRNA gene sequence similarity values (indicated in parentheses), were Chryseobacterium flavum KCTC 12877T (98.42 %), Chryseobacterium indologenes LMG 8337T (98.24 %) and Chryseobacterium gleum ATCC 35910T (97.71 %). Genome sequencing revealed a genome size of 4 796 535 bp and a DNA G+C content of 38.6 mol%. The ANI values of strain 7_F195T compared to C. flavum , C. indologenes and C. gleum were 81.45, 81.86 and 82.38 %, respectively. The digital DNA–DNA hybridization values for strain 7_F195T with C. flavum , C. indologenes and C. gleum were 23.7, 23.7 and 24.9 %, respectively. Notable phenotypic differences include the presence of urease activity in C. indologenes LMG 8337T and C. gleum NCTC 11432T, but not in strain 7_F195T or C. flavum KCTC 12877T. The predominant fatty acids of strain 7_F195T were iso-C15 : 0, iso-C17 : 1 ω9c and iso-C17 : 0 3-OH and the most abundant polar lipid was phosphatidylethanolamine. Menaquinone-6 was the only respiratory quinone. Based on the data generated from this polyphasic study, strain 7_F195T represents a novel Chryseobacterium species for which the name Chryseobacterium pennipullorum sp. nov. is proposed. The type strain is 7_F195T (=LMG 30781T=KCTC 62760T).
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