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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/nph.12496
|2 doi
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|a pubmed25n0771.xml
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|e rakwb
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|a eng
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|a Oberhofer, Martina
|e verfasserin
|4 aut
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|a Effects of natural hybrid and non-hybrid Epichloë endophytes on the response of Hordelymus europaeus to drought stress
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.07.2014
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2013 The Authors. New Phytologist © 2013 New Phytologist Trust.
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|a Interspecific hybrid endophytes of the genus Epichloë (Ascomycota, Clavicipitaceae) are prevalent in wild grass populations, possibly because of their larger gene variation, resulting in increased fitness benefits for host plants; however, the reasons are not yet known. We tested hypotheses regarding niche expansion mediated by hybrid endophytes, population-dependent interactions and local co-adaptation in the woodland grass Hordelymus europaeus, which naturally hosts both hybrid and non-hybrid endophyte taxa. Seedlings derived from seeds of four grass populations made endophyte free were re-inoculated with hybrid or non-hybrid endophyte strains, or left endophyte free. Plants were grown in the glasshouse with or without drought treatment. Endophyte infection increased plant biomass and tiller production by 10-15% in both treatments. Endophyte types had similar effects on growth, but opposite effects on reproduction: non-hybrid endophytes increased seed production, whereas hybrid endophytes reduced or prevented it completely. The results are consistent with the observation that non-hybrid endophytes in H. europaeus prevail at dry sites, but cannot explain the prevalence of hybrid endophytes. Thus, our results do not support the hypothesis of niche expansion of hybrid-infected plants. Moreover, plants inoculated with native relative to foreign endophytes yielded higher infections, but both showed similar growth and survival, suggesting weak co-adaptation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a drought adaptation
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|a hybrid endophyte
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| 650 |
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|a inoculation
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| 650 |
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|a mutualism
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| 650 |
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|a niche expansion
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| 650 |
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4 |
|a woodland grass
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1 |
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|a Güsewell, Sabine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leuchtmann, Adrian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1990
|g 201(2014), 1 vom: 12. Jan., Seite 242-253
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:201
|g year:2014
|g number:1
|g day:12
|g month:01
|g pages:242-253
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|u http://dx.doi.org/10.1111/nph.12496
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