Arid
DOI10.1007/s00374-013-0814-6
Diversity and stress tolerance in rhizobia from Parque Chaqueo region of Argentina nodulating Prosopis alba
Chavez Diaz, Lucia1; Gonzalez, Pablo1; Rubio, Esteban2; Melchiorre, Mariana1,3
通讯作者Melchiorre, Mariana
来源期刊BIOLOGY AND FERTILITY OF SOILS
ISSN0178-2762
EISSN1432-0789
出版年2013
卷号49期号:8页码:1153-1165
英文摘要

The aim of this work was to investigate the genetic diversity, symbiotic effectiveness, drought tolerance, and indole acetic acid production of indigenous rhizobial populations in the Parque Chaqueo of Argentina able to nodulate Prosopis alba, the dominant forest tree of this region. The populations were sampled at five locations from the Arid, Semi-arid, and Humid Chaco in the Parque Chaqueo region. A set of rhizobial strains able to nodulate P. alba was obtained and selected based on their molecular diversity. Data obtained by BOX-PCR indicated that the highest molecular variability was observed in rhizobial isolates from Semi-arid Chaco. High level of indolic compound production and tolerance to osmotic treatment were significantly (p a parts per thousand currency signaEuro parts per thousand 0.05) correlated with water restrictions of the environments where the strains belonged. A small set of rhizobial strains that stimulate P. alba growth was selected from a large group of strains. The strains were identified by 16S rDNA sequencing as belonging to the genera Mesorhizobium, Bradyrhizobium, and Ensifer. To our knowledge, this is the first report of P. alba nodulation by strains other than Mesorhizobium chacoense, which was already described for the Parque Chaqueo.


英文关键词Prosopis alba Symbiosis Rhizobial diversity Parque Chaqueno
类型Article
语种英语
国家Argentina
收录类别SCI-E
WOS记录号WOS:000326374900016
WOS关键词BACTERIA ; NODULES
WOS类目Soil Science
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/176175
作者单位1.Ctr Invest Agr, Inst Nacl Tecnol Agr, CIAP INTA, Inst Fisiol & Recursos Genet Vegetales, Cordoba, Argentina;
2.Inst Nacl Tecnol Agr, Inst Zool & Microbiol Agr IMYZA, Buenos Aires, DF, Argentina;
3.Univ Nacl Cordoba, Fac Ciencias Exactas Fis & Nat, RA-5000 Cordoba, Argentina
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GB/T 7714
Chavez Diaz, Lucia,Gonzalez, Pablo,Rubio, Esteban,et al. Diversity and stress tolerance in rhizobia from Parque Chaqueo region of Argentina nodulating Prosopis alba[J],2013,49(8):1153-1165.
APA Chavez Diaz, Lucia,Gonzalez, Pablo,Rubio, Esteban,&Melchiorre, Mariana.(2013).Diversity and stress tolerance in rhizobia from Parque Chaqueo region of Argentina nodulating Prosopis alba.BIOLOGY AND FERTILITY OF SOILS,49(8),1153-1165.
MLA Chavez Diaz, Lucia,et al."Diversity and stress tolerance in rhizobia from Parque Chaqueo region of Argentina nodulating Prosopis alba".BIOLOGY AND FERTILITY OF SOILS 49.8(2013):1153-1165.
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