水体与底泥中大量氨化菌可能通过转氨作用产生的氨氮积累在水体中。
A mass of ammonifiers in water body and sediment can make ammonia accumulate in water body through ammonification.
甘氨酸来源于丝氨酸，或由乙醛酸经转氨作用生成的甘油3 -磷酸转化而成。
It may be synthesized directly from ammonia carbon dioxide and a donated methyl group; derived from serine; or derived from glycerate 3-phosphate by transamination of glyoxylate.
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