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A comparative study of Turkish and Israeli populations of Didymella rabiei, the ascochyta blight pathogen of chickpea
Year:
2010
Source of publication :
Plant Pathology
Authors :
Eshed, Ravit
;
.
Frenkel, Omer
;
.
Ophir, Ron
;
.
Sherman, Amir
;
.
Shtienberg, Dan
;
.
Volume :
59
Co-Authors:
Ozkilinc, H., Department of Biology, University of Gaziantep, 27310, Turkey
Frenkel, O., The Levi Eshkol School of Agriculture, The Hebrew University of Jerusalem, Rehovot 76100, Israel, Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Abbo, S., The Levi Eshkol School of Agriculture, The Hebrew University of Jerusalem, Rehovot 76100, Israel
Eshed, R., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Sherman, A., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Shtienberg, D., Department of Plant Pathology and Weed Research, The Volcani Center, Agricultural Research Organization, Bet-Dagan 50250, Israel
Ophir, R., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Can, C., Department of Biology, University of Gaziantep, 27310, Turkey
Facilitators :
From page:
492
To page:
503
(
Total pages:
12
)
Abstract:
The Fertile Crescent is the centre of domestication of chickpea (Cicer arietinum) and also the place of origin of its pathogens. Agrosystems provide different environments to natural eco-systems, thus imposing different types of selection on pathogens. Here, the genetic structure and in vitro temperature growth response of the chickpea pathogen Didymella rabiei from domesticated chickpea (59 isolates from Turkey and 31 from Israel) and wild Cicer spp. (three isolates from Turkish C. pinnatifidum and 35 from Israeli C. judaicum) were studied. Six sequence-tagged microsatellite site (STMS) primer pairs were used to determine the genetic structure of the 128 D. rabiei isolates. Turkish isolates exhibited the highest genetic diversity (H = 0·69). Turkish and Israeli D. rabiei from domesticated chickpea were genetically closer to each other than isolates from the wild Cicer spp. Analysis of molecular variance showed that 54% of the genetic variation resided between isolates from wild and domesticated origins. EF1-α sequences distinguished between D. rabiei isolates from domesticated and wild Cicer spp. by four polymorphic sites. Nevertheless, a certain degree of mixing between isolates from wild and domesticated origin was demonstrated using the Bayesian algorithm as well as with principal coordinates analysis. Isolates sampled from domesticated chickpea from both countries were better adapted to temperatures typical of Levantine spring and had a significantly larger colony area at 25°C than at 15°C (typical Levantine winter temperature). These observations were in accordance to the heritability values of the temperature growth response. © 2010 ARO, the government of Israel.
Note:
Related Files :
Ascochyta
Ascochyta rabiei
Cicer
Cicer arietinum
Genetic structure
growth response
Host-pathogen co-evolution
temperature effect
Show More
Related Content
More details
DOI :
10.1111/j.1365-3059.2009.02226.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30515
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:55
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Scientific Publication
A comparative study of Turkish and Israeli populations of Didymella rabiei, the ascochyta blight pathogen of chickpea
59
Ozkilinc, H., Department of Biology, University of Gaziantep, 27310, Turkey
Frenkel, O., The Levi Eshkol School of Agriculture, The Hebrew University of Jerusalem, Rehovot 76100, Israel, Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Abbo, S., The Levi Eshkol School of Agriculture, The Hebrew University of Jerusalem, Rehovot 76100, Israel
Eshed, R., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Sherman, A., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Shtienberg, D., Department of Plant Pathology and Weed Research, The Volcani Center, Agricultural Research Organization, Bet-Dagan 50250, Israel
Ophir, R., Genomics Department, The Volcani Center, Agricultural Research Organization, Bet-Dagan, 50250, Israel
Can, C., Department of Biology, University of Gaziantep, 27310, Turkey
A comparative study of Turkish and Israeli populations of Didymella rabiei, the ascochyta blight pathogen of chickpea
The Fertile Crescent is the centre of domestication of chickpea (Cicer arietinum) and also the place of origin of its pathogens. Agrosystems provide different environments to natural eco-systems, thus imposing different types of selection on pathogens. Here, the genetic structure and in vitro temperature growth response of the chickpea pathogen Didymella rabiei from domesticated chickpea (59 isolates from Turkey and 31 from Israel) and wild Cicer spp. (three isolates from Turkish C. pinnatifidum and 35 from Israeli C. judaicum) were studied. Six sequence-tagged microsatellite site (STMS) primer pairs were used to determine the genetic structure of the 128 D. rabiei isolates. Turkish isolates exhibited the highest genetic diversity (H = 0·69). Turkish and Israeli D. rabiei from domesticated chickpea were genetically closer to each other than isolates from the wild Cicer spp. Analysis of molecular variance showed that 54% of the genetic variation resided between isolates from wild and domesticated origins. EF1-α sequences distinguished between D. rabiei isolates from domesticated and wild Cicer spp. by four polymorphic sites. Nevertheless, a certain degree of mixing between isolates from wild and domesticated origin was demonstrated using the Bayesian algorithm as well as with principal coordinates analysis. Isolates sampled from domesticated chickpea from both countries were better adapted to temperatures typical of Levantine spring and had a significantly larger colony area at 25°C than at 15°C (typical Levantine winter temperature). These observations were in accordance to the heritability values of the temperature growth response. © 2010 ARO, the government of Israel.
Scientific Publication
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