Isolation of Arthrobacter from soils of Schirmacher Oasis, Antarctica

S SHIVAJI, N SHYAMALA RAO, L SAISREE, G S N REDDY, G SESHU KUMAR & P M BHARGAVA

Centre for Cellular and Molecular Biology, Uppal Road, 500 007, Hyderabad, India

Published in: Polar Biology, 1989, 10, 225-229.

Abstract:

Thirteen isolates of bacteria from the soils of Schirmacher Oasis, Antarctica have been identified as members of the genus Arthrobacter. All the isolates exhibited a rod-coccus cycle during growth; were gram positive, catalase positive, non-motile and non-fermentative; did not form endospores; and contained MK-8 (H2) as the major menaquinone. The mole % G + C in DNA of the isolates ranged from 58% to 72%. Based on their morphology, physiology, nutritional requirements, biochemical characteristics, and mole % G + C of their DNA, the isolates were identified as A. globiformis, A. pascens and A. protophormiae. However, unlike the mesophilic isolates the Antarctic Arthrobacter could be considered to be unique as they were psychrotrophic, contained glucose and lysine in the cell wall, and did not hydrolyze starch.

DOI: 10.1007/BF00238499

HOW TO CITE

Isolation of Arthrobacter from soils of Schirmacher Oasis, Antarctica. S SHIVAJI, N SHYAMALA RAO, L SAISREE, G S N REDDY, G SESHU KUMAR & P M BHARGAVA. Polar Biology, 1989, 10, 225-229.

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