这个词是什么意思？
A genus of rod-shaped, oval, or bean-shaped bacteria found in soil and fresh water. Polar prosthecae are present and cells reproduce by budding at the tips of the prosthecae. Cells of this genus are aerobic and grow best with one-carbon compounds. (From Bergey's Manual of Determinative Bacteriology, 9th ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020582 · MeSH 2026。
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