Lacinutrix

• Main Author: Bowman, John P.
• Format: Other/Unknown Material
• Language: English
• Published: Wiley 2015
• Subjects: Antarctic; Antarc*; Antarctica
• Online Access: http://dx.doi.org/10.1002/9781118960608.gbm00321; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F9781118960608.gbm00321; https://onlinelibrary.wiley.com/doi/pdf/10.1002/9781118960608.gbm00321; https://onlinelibrary.wiley.com/doi/full-xml/10.1002/9781118960608.gbm00321

La.ci.nu'trix. L. n. lacus lake; L. fem. n. nutrix feeder; N.L. fem. n. Lacinutrix lake feeder (in the sense of contributing to lake food chains). Bacteroidetes / Flavobacteriia / Flavobacteriales / Flavobacteriaceae / Lacinutrix Straight or slightly curved rod‐shaped cells , 0.4–0.5 × 1–2 µm. Cells occur singly or in pairs. Spores and resting cells are not present. Gas vesicles and helical or ring‐shaped cells are not formed. Nonmotile . Gram‐stain‐negative . Strictly aerobic , with an oxidative type of metabolism . Catalase‐ and oxidase‐positive . Chemoheterotrophic . Colonies are golden‐yellow due to production of carotenoids. Flexirubin pigments are not produced . Sodium ions are required for growth. Best growth occurs in organic media containing seawater salts. Grows between −2 and 25°C, with temperature optima of 15–20°C in seawater‐containing media. Neutrophilic, with optimal growth occurring at about pH 7.5. The major fatty acids include C 15:1 ω10 c iso, C 15:1 ω10 c anteiso, C 15:0 iso, C 15:0 anteiso, and C 16:0 iso. The major isoprenoid quinone is menaquinone‐6 . Habitat: Antarctic saline lakes in association with the calanoid copepod species Paralabidocera antarctica . DNA G + C content ( mol %): 37. Type species : Lacinutrix copepodicola Bowman and Nichols 2005, 1482 VP .