EFFECT OF NITROGEN STARVATION ON THE LEVEL OF ADENOSINE-3',5'-MONOPHOSPHATE IN ANABAENA-VARIABILIS

被引：36

作者：

HOOD, EE ^{[1
]}

ARMOUR, S ^{[1
]}

OWNBY, JD ^{[1
]}

HANDA, AK ^{[1
]}

BRESSAN, RA ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,DEPT ENERGY,PLANT RES LAB,E LANSING,MI 48824

来源：

BIOCHIMICA ET BIOPHYSICA ACTA | 1979年 / 588卷 / 02期

基金：

美国国家科学基金会;

关键词：

(Anabaena variabilis); Cyclic AMP level; Nitrogen starvation;

D O I：

10.1016/0304-4165(79)90202-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Low levels of adenosine 3′,5′-monophosphate (cyclic AMP) were detected in the cyanobacterium Anabaena variabilis using a protein binding assay and two radioisotopic labelling methods. The basal concentration of intracellular cyclic AMP ranged from 0.27 pmol/mg protein in A. variabilis Kutz grown under heterotrophic conditions to 1.0-2.7 pmol/mg protein in A. variabilis strain 377 grown autotrophically. Extracellular cyclic AMP was found to comprise as much as 90% of the total cyclic AMP in rapidly growing cultures. When A. variabilis strain 377 was starved of nitrogen, a 3-4-fold increase in intracellular cyclic AMP was observed during the 24 h period coincident with early heterocyst development. © 1979.

引用

页码：193 / 200

页数：8

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