Toward an integrated understanding of how extreme polar light regimes, hybridization, and light-sensitive microbes shape global biodiversity - UTU Research Portal

A1 Refereed original research article in a scientific journal

Toward an integrated understanding of how extreme polar light regimes, hybridization, and light-sensitive microbes shape global biodiversity

Authors: Saikkonen, Kari; Birge, Traci; Fuchs, Benjamin; Helander, Marjo; Ihalainen, Janne A.; Nissinen, Riitta; Puigbò, Pere

Publisher: CELL PRESS

Publishing place: CAMBRIDGE

Publication year: 2024

Journal: One Earth

Journal name in source: ONE EARTH

Journal acronym: ONE EARTH

Volume: 7

Issue: 9

First page : 1529

Last page: 1541

Number of pages: 13

ISSN: 2590-3330

eISSN: 2590-3322

DOI: https://doi.org/10.1016/j.oneear.2024.08.002

Web address : https://doi.org/10.1016/j.oneear.2024.08.002

Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/459288510

Abstract

Low knowledge sharing across disciplines studying geo-evolutionary processes determining species adaptations hinders the mitigation of biodiversity loss driven by human-induced climate warming. Further, the impacts of microbes and light regimes on species adaptations to accelerated climate warming are largely ignored. On a geologic timescale, range shifts to higher latitudes necessitate adaptation to new light environments, including extreme polar seasons, i.e., "polar night." Chemical crosstalk among coevolving microbes and plants modulates ecologically relevant traits, and photosensitive and other microbes may aid plant adaptation. We hypothesize that hybridization in new "circumpolar hybrid zones"and plant-microbial cooperation in those zones and elsewhere will be significant in maintaining genetic admixture and species diversity on a geological timescale. We propose the concept of circumpolar hybrid zones and an integrated framework, inclusive of microbes, to unite disparate research disciplines, advance understanding of evolution, and improve strategies for climate adaptation and mitigation.

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Funding information in the publication:
This work was supported by the Research Council of Finland (project numbers 295976 and 326226 to K.S. and 332742 to J.A.I.).