Nitrogen catabolism in nematode parasites.

W. Rogers
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引用次数: 32

Abstract

Nematodirus /ilicollis, Nematodirus spathiger, and Ascaridia galli were maintained for periods of 24 hours in' a non-nutrient medium containing streptomycin and penicillin to prevent bacterial growth. UnEler aerobic 'conditions the total soluble nitrogenous material excreted by Nematodirus spp. in three experiments was 1.23-1.59 mg. nitrogen per g. dry wt. of tissue. Peptide nitrogen accounted for 33-37 per cent. of the total soluble nitrogen excreted, ammonia nitrogen 40-42 per cent., and urea nitrogen 11-17 per cent. Small amounts of uric acid werc found. Under similar conditions the total soluble nitrogen excreted by Ascaridia gaUi was 0.29-0.41 mg. per g. dry wt.; of this, 14-15 per cent. was due to peptide nitrogen, and 8 per cent. to urea nitrogen. No uric' acid was found.
线虫寄生虫的氮分解代谢。
在含有链霉素和盘尼西林的非营养性培养基中维持线虫/肠绒毛线虫、螺旋体线虫和加利蛔虫24小时,以防止细菌生长。在较低的有氧条件下,线虫在3个实验中排泄的可溶性含氮物质总量为1.23 ~ 1.59 mg。每克干组织的氮含量。肽氮占可溶性氮排泄总量的33- 37%,氨氮占40- 42%,尿素氮占11- 17%。还发现了少量尿酸。在相同条件下,gai蛔虫的总可溶性氮排泄量为0.29 ~ 0.41 mg。每克干重;其中,14% - 15%是由于肽氮,8%是由于尿素氮。未发现尿酸。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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