caa a22 4500 605518378 CHVBK 20210128100725.0 cr unu---uuuuu 210128e20150201xx s 000 0 eng 10.1007/s00572-014-0592-5 doi (NATIONALLICENCE)springer-10.1007/s00572-014-0592-5 Plant functional traits and phylogenetic relatedness explain variation in associations with root fungal endophytes in an extreme arid environment [Elektronische Daten] [Mónica Lugo, Kurt Reinhart, Eugenia Menoyo, Esteban Crespo, Carlos Urcelay] Since root endophytes may ameliorate drought stress, understanding which plants associate with endophytes is important, especially in arid ecosystems. Here, the root endophytes were characterized of 42 plants from an arid region of Argentina. Colonization by arbuscular mycorrhizal fungi (AMF) and dark septate endophytes (DSEs) was related to plant functional type (PFT), family, and phylogenetic relatedness. Overall, three main findings were observed. Firstly, only moderate levels of endophyte associations were found across all taxa (e.g., most Poaceae were not colonized by endophytes despite numerous accounts of colonization by AMF and DSEs). We determined 69% of plant taxa associated with some form of root endophyte but levels were lower than other regional studies. Secondly, comparisons by PFT and phylogeny were often qualitatively similar (e.g., succulents and Portulacineae consistently lacked AMF; variation occurred among terrestrial vs. epiphytic bromeliads) and often differed from comparisons based on plant family. Thirdly, comparisons by plant family often failed to account for important variation either within families (e.g., Bromeliaceae and Poaceae) or trait conservatism among related families (i.e., Rosidae consistently lacked DSEs and Portulacineae lacked AMF). This study indicates the value of comparing numerous taxa based on PFTs and phylogenetic similarity. Overall, the results suggest an uncertain benefit of endophytes in extremely arid environments where plant traits like succulence may obviate the need to establish associations. Springer-Verlag Berlin Heidelberg, 2014 Arbuscular mycorrhizal fungi nationallicence Dark septate endophytes nationallicence Functional traits nationallicence Phylogenetic trait conservatism nationallicence Phylogenetic trait divergence nationallicence Xeric environment nationallicence Lugo Mónica IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut Reinhart Kurt United States Department of Agriculture-Agricultural Research Service, Fort Keogh Livestock & Range Research Laboratory, 243 Fort Keogh Road, 59301-4016, Miles City, MT, USA aut Menoyo Eugenia IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut Crespo Esteban IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut Urcelay Carlos IMBIV-CONICET, Universidad Nacional de Córdoba, CC 495, 5000, Córdoba, Argentina aut Mycorrhiza Springer Berlin Heidelberg 25/2(2015-02-01), 85-95 0940-6360 25:2<85 2015 25 572 https://doi.org/10.1007/s00572-014-0592-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00572-014-0592-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lugo Mónica IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut NATIONALLICENCE 700 1- Reinhart Kurt United States Department of Agriculture-Agricultural Research Service, Fort Keogh Livestock & Range Research Laboratory, 243 Fort Keogh Road, 59301-4016, Miles City, MT, USA aut NATIONALLICENCE 700 1- Menoyo Eugenia IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut NATIONALLICENCE 700 1- Crespo Esteban IMIBIO-CONICET, Universidad Nacional de San Luis, 5700, San Luis, Argentina aut NATIONALLICENCE 700 1- Urcelay Carlos IMBIV-CONICET, Universidad Nacional de Córdoba, CC 495, 5000, Córdoba, Argentina aut NATIONALLICENCE 773 0- Mycorrhiza Springer Berlin Heidelberg 25/2(2015-02-01), 85-95 0940-6360 25:2<85 2015 25 572