Brenneria

Abstract Bren.ne'ri.a. N.L. fem. n. Brenneria named after the American bacteriologist Don J. Brenner. Proteobacteria / Gammaproteobacteria / Enterobacterales / Pectobacteriaceae / Brenneria The genus Brenneria was created to accommodate bacteria causing disease on woody hosts. Species cause a range of cankers, wilts, and necroses on willow, oak, alder, and walnut and are also associated with disease‐causing species of Lonsdalea . Cells are Gram‐negative, facultatively anaerobic, motile, and short rods, which appear singly or rarely in pairs. Species are mesophilic, favoring growth temperatures of 28–30°C, and prefer low salt media and neutral pH. Carbon sources such as glucose, fructose, sucrose, galactose, and N ‐acetylglucosamine are readily assimilated and fermented. Species form a monophyletic clade when phylogenetic analysis is based on multilocus sequence analysis (MLSA) or whole‐genome sequences, while 16S rRNA gene sequence phylogenies indicate that the genus is polyphyletic. The major fatty acids are C 16:0 , C 18:1 ω7 c , C 17:0 cyclo, and summed features 2 (iso‐C 16:1 and/or C 14:0 3‐OH) and 3 (C 16:1 ω7 c and/or iso‐C 15:0 2‐OH). DNA G + C content (mol%) : 51.1–56.2 ( T m and genome analysis). Type species : Brenneria salicis Hauben et al. 1998, VL68 (basonym: “ Bacterium salicis ” Day 1924).