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Koski TM, Zhang B, Mogouong J, Wang H, Chen Z, Li H, Bushley KE, Sun J. Distinct metabolites affect the phloem fungal communities in ash trees (Fraxinus spp.) native and nonnative to the highly invasive emerald ash borer (AGRILUS PLANIPENNIS). PLANT, CELL & ENVIRONMENT 2024. [PMID: 38922989 DOI: 10.1111/pce.14996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 05/20/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024]
Abstract
Emerald ash borer (EAB, Agrilus planipennis) is an invasive killer of ash trees (Fraxinus spp.) in North America and Europe. Ash species co-evolved with EAB in their native range in Asia are mostly resistant, although the precise mechanism(s) remain unclear. Very little is also known about EAB or ash tree microbiomes. We performed the first joint comparison of phloem mycobiome and metabolites between a native and a nonnative ash species, infested and uninfested with EAB, in conjunction with investigation of larval mycobiome. Phloem mycobiome communities differed between the tree species, but both were unaffected by EAB infestation. Several indicator taxa in the larval gut shared a similarly high relative abundance only with the native host trees. Widely targeted metabolomics revealed 24 distinct metabolites in native trees and 53 metabolites in nonnative trees, respectively, that differed in relative content between infested and uninfested trees only in one species. Interestingly, four metabolites shared a strong relationship with the phloem mycobiomes, majority of which affected only the native trees. Collectively, our results demonstrate a complex interplay between host tree chemistry and mycobiome, and suggest the shared relationships between the mycobiomes of the native host tree and EAB may reflect their shared co-evolution.
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Affiliation(s)
- Tuuli-Marjaana Koski
- Hebei Basic Science Center for Biotic Interactions/College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, China
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Bin Zhang
- Hebei Basic Science Center for Biotic Interactions/College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, China
| | - Judith Mogouong
- Department of Plant Pathology and Plant-Microbe Biology, Cornell University, Ithaca, New York, USA
| | - Hualing Wang
- Key Laboratory of Forest Germplasm Resources and Forest Protection of Hebei Province, Forestry College of Hebei Agricultural University, Baoding, China
| | - Zhenzhu Chen
- Key Laboratory of Forest Germplasm Resources and Forest Protection of Hebei Province, Forestry College of Hebei Agricultural University, Baoding, China
| | - Huiping Li
- Key Laboratory of Forest Germplasm Resources and Forest Protection of Hebei Province, Forestry College of Hebei Agricultural University, Baoding, China
| | | | - Jianghua Sun
- Hebei Basic Science Center for Biotic Interactions/College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, China
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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Sun J, Koski TM, Wickham JD, Baranchikov YN, Bushley KE. Emerald Ash Borer Management and Research: Decades of Damage and Still Expanding. ANNUAL REVIEW OF ENTOMOLOGY 2024; 69:239-258. [PMID: 37708417 DOI: 10.1146/annurev-ento-012323-032231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
Since the discovery of the ash tree (Fraxinus spp.) killer emerald ash borer (EAB; Agrilus planipennis) in the United States in 2002 and Moscow, Russia in 2003, substantial detection and management efforts have been applied to contain and monitor its spread and mitigate impacts. Despite these efforts, the pest continues to spread within North America. It has spread to European Russia and Ukraine and is causing sporadic outbreaks in its native range in China. The dynamics of EAB's range expansion events appear to be linked to the lack of resistant ash trees in invaded ranges, facilitated by the abundance of native or planted North American susceptible ash species. We review recently gained knowledge of the range expansion of EAB; its ecological, economic, and social impacts; and past management efforts with their successes and limitations. We also highlight advances in biological control, mechanisms of ash resistance, and new detection and management approaches under development, with the aim of guiding more effective management.
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Affiliation(s)
- Jianghua Sun
- Hebei Basic Science Center for Biotic Interactions/Collece of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, China; ,
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Tuuli-Marjaana Koski
- Hebei Basic Science Center for Biotic Interactions/Collece of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, China; ,
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Jacob D Wickham
- A.N. Severstov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russian Federation;
| | - Yuri N Baranchikov
- V.N. Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation;
| | - Kathryn E Bushley
- Agricultural Research Service, US Department of Agriculture, Ithaca, New York, USA;
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