BIOLOGICAL NITROGEN-FIXATION AT ELEVATED-TEMPERATURE IN DIFFERENT AZOSPIRILLUM SPECIES AND STRAINS

被引：5

作者：

AGGARWAL, P ^{[1
]}

CHAUDHARY, K ^{[1
]}

机构：

[1] HARYANA AGR UNIV,DEPT MICROBIOL,HISAR 125004,HARYANA,INDIA

来源：

BIOLOGY AND FERTILITY OF SOILS | 1995年 / 20卷 / 04期

关键词：

AZOSPIRILLA; NITROGENASE ACTIVITY; ELEVATED TEMPERATURE; ACETYLENE REDUCTION ACTIVITY; AZOSPIRILLUM BRASILENSE; AZOSPIRILLUM LIPOFERUM;

D O I：

10.1007/BF00336087

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Nitrogenase activity, nitrogenase synthesis, and the growth of four species of Azospirillum were examined at 30 degrees C and 42 degrees C. Azospirillum brasilense Sp7 did not synthesize nitrogenase at 42 degrees C nor was the enzyme stable at this temperature. In A. lipoferum 708 and A. brasilense 12S the nitrogenase activity was stable at 42 degrees C but the synthesis of nitrogenase was reduced. In A. brasilense Sp9 the nitrogenase activity was stable and showed the highest C2H2 reduction activity at 42 degrees C.

引用

页码：260 / 262

页数：3

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