CALCIUM-MEDIATED RECOVERY OF BORON DEFICIENT ANABAENA SP PCC 7119 GROWN UNDER NITROGEN-FIXING CONDITIONS

被引：9

作者：

BOLANOS, L ^{[1
]}

MATEO, P ^{[1
]}

BONILLA, I ^{[1
]}

机构：

[1] UNIV AUTONOMA MADRID,FAC CIENCIAS,DEPT BIOL,E-28049 MADRID,SPAIN

来源：

JOURNAL OF PLANT PHYSIOLOGY | 1993年 / 142卷 / 05期

关键词：

ANABAENA; BORON; CALCIUM; CYANOBACTERIA; HETEROCYST; NITROGEN FIXATION; PHOTOSYNTHESIS;

D O I：

10.1016/S0176-1617(11)80391-3

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effect of Ca2+ supplement on boron-deficient cultures of Anabaena sp. PCC 7119 growing under N2 fixing conditions has been studied. Calcium-supplied cultures showed a recovery of growth correlated with a similar recovery of photosynthetic pigments, photosynthesis and nitrogenase activity. Examination of cells also showed a restoration in the structure of photosynthetic membranes and heterocyst envelopes. These results suggest that there is a cooperative role of B and Ca in the stabilization of membranes and envelopes in cyanobacteria, similar to that in higher plants.

引用

页码：513 / 517

页数：5

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