SPECIFICITY OF THE RHIZOBIUM-LEGUME SYMBIOSIS OBTAINED AFTER MUTAGENESIS IN PEA (PISUM-SATIVUM L)

被引：25
|
作者：
SAGAN, M
MESSAGER, A
DUC, G
机构：
[1] INRA – Station de Génétique et d'Amélioration des Plantes, Dijon, 21034
来源：
NEW PHYTOLOGIST | 1993年 / 125卷 / 04期
关键词：
PISUM SATIVUM; RHIZOBIUM; MUTAGENESIS; SPECIFICITY;
D O I：
10.1111/j.1469-8137.1993.tb03925.x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Within a set of 13 induced symbiotic pea (Pisum sativum L.) mutants, two distinct mutated genes sym25 and sym26, selected for ineffective nodulation have been counteracted in their effect by Rhizobium strains 254 and 94 respectively, thereby establishing an N-2-fixing symbiosis. This suggests that mutagenesis can be a helpful tool in creating specificity systems such as those described in centres of origin and diversification of legume species.
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页码：757 / 761
页数：5
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