Global assessment of arbuscular mycorrhizal fungus diversity reveals very low endemism

被引：619

作者：

Davison, J. ^{[1
]}

Moora, M. ^{[1
]}

Oepik, M. ^{[1
]}

Adholeya, A. ^{[2
]}

Ainsaar, L. ^{[1
]}

Ba, A. ^{[3
]}

Burla, S. ^{[2
]}

Diedhiou, A. G. ^{[4
]}

Hiiesalu, I. ^{[1
,5
]}

Jairus, T. ^{[1
]}

Johnson, N. C. ^{[6
]}

Kane, A. ^{[4
]}

Koorem, K. ^{[1
,7
]}

Kochar, M. ^{[8
]}

Ndiaye, C. ^{[4
]}

Paertel, M. ^{[1
]}

Reier, Ue. ^{[1
]}

Saks, Ue. ^{[1
]}

Singh, R. ^{[8
]}

Vasar, M. ^{[1
]}

Zobel, M. ^{[1
]}

机构：

[1] Univ Tartu, Inst Ecol & Earth Sci, Lai 40, EE-51005 Tartu, Estonia

[2] India Habitat Ctr, Ctr Mycorrhizal Res, Energy & Resources Inst TERI, New Delhi 110003, India

[3] Univ Antilles, Lab Symbioses Trop & Mediterraneennes, Lab Biol & Physiol Vegetales, Fac Sci Exactes & Nat,UMR 113, Pointe A Pitre 97159, Guadeloupe, France

[4] UCAD, Inst Rech Dev, Inst Senegalais Rech Agr, Lab Commun Microbiol,Dept Biol Vegetale, Dakar, Senegal

[5] Czech Acad Sci, Inst Bot, Trebon 37901, Czech Republic

[6] No Arizona Univ, Sch Earth Sci & Environm Sustainabil, Flagstaff, AZ 86011 USA

[7] Netherlands Inst Ecol, NL-6708 PB Wageningen, Netherlands

[8] India Habitat Ctr, TERI, Biotechnol & Management Bioresources Div, TERI Deakin Nano Biotechnol Ctr, New Delhi 110003, India

来源：

SCIENCE | 2015年 / 349卷 / 6251期

关键词：

COMMUNITY COMPOSITION; PLANT DIVERSITY; DISPERSAL; PATTERNS; ENVIRONMENT; GRADIENTS; DRIVERS;

D O I：

10.1126/science.aab1161

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The global biogeography of microorganisms remains largely unknown, in contrast to the well-studied diversity patterns of macroorganisms. We used arbuscular mycorrhizal (AM) fungus DNA from 1014 plant-root samples collected worldwide to determine the global distribution of these plant symbionts. We found that AM fungal communities reflected local environmental conditions and the spatial distance between sites. However, despite AM fungi apparently possessing limited dispersal ability, we found 93% of taxa on multiple continents and 34% on all six continents surveyed. This contrasts with the high spatial turnover of other fungal taxa and with the endemism displayed by plants at the global scale. We suggest that the biogeography of AM fungi is driven by unexpectedly efficient dispersal, probably via both abiotic and biotic vectors, including humans.

引用

页码：970 / 973

页数：4

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