HEИндивидуална стипендия2023–2025

PLANTHOLOGENOME · The plant hologenome – is plant adaptative potential shaped by its microbionts?

„Хоризонт Европа“ — Действия „Мария Склодовска-Кюри“

Период: 2023-09-01 → 2025-12-31
Финансиране от ЕС: 230 774 €
Участници: 1
Схема: HORIZON-TMA-MSCA-PF-EF

Линиите свързват координатора с партньорите.

Накратко на български

Връзката между генетиката на орхидеите и техните микроби се изследва, за да се разбере как тези symbiotic организми влияят върху адаптацията на растението. Това помага да се обясни разпространението на видовете и да се подобри опазването на застрашените орхидеи.

Този кратък обзор е генериран от изкуствен интелект

Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.

Резултати накратко

The plant hologenome – is plant adaptative potential shaped by its microbionts?

Explaining why related species have very different abilities to spread, adapt and survive is a central question in evolutionary biology. The hologenome theory can offer a novel perspective on this, hypothesizing that any plant species’ ability to adapt to its environment is affected by the range of microbial symbionts it is able to associate with, and as this ability differs among hosts, it must be determined by variation encoded in the host genomes. This project explored this hypothesis using orchids and their microbiome as a model system for plant hologenomic studies. Orchids constitute the world’s largest groups of flowering plants, are obligate dependent on symbiotic relationships with specific mycorrhizal fungi for germination, and many species are rare and/or threatened . Orchid hologenomic studies are hence useful for both exploring general macro-ecological patterns of plant microbiomes, as well as generating specific knowledge on habitat exploration ability relevant for conservation. The objectives were to 1) Explore the correlation between individual wild orchid host genomes and the diversity and composition of their microbiome at intraspecific level, 2) Measure the range and variability of microbiome composition in congeneric wild orchid species across their range, and 3) Correlate species level microbiome composition and variability with distribution, habitat use and relatedness among species.

Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз

Цел на проекта

Explaining why related species have very different abilities to spread, adapt and survive is a central question in evolutionary biology. Microbes have long been recognized as key to the ability of plants or animals to explore resources in their environment, and there is now growing recognition that microbionts should be considered an integral part of their host. The holobiont theory state that a plant or animal cannot be considered as an individual organism, but as a holobiont consisting of the host and the sum of all its microbionts, and that adaptive genomic changes in the holobiont also includes changes in its microbiont community. The range of microbionts a species is able to associate with through time and space has been suggested to be correlated to host adaptability to different environments and could thus be an important component in distribution patterns in plants. In this project, I aim to establish the association between wild plant genomes, their microbiont communities and their habitat use, using orchids and their associated microbiomes as a model system. I will generate bacterial and fungal metagenomic profiles from tissue samples from orchids and couple it with host genomic variation to i) Explore the link between individual plant genotype and microbiont community profile using individual level sampling from two closely related orchid species, ii) Measure differences in range and variability of microbiont community among 20 congeneric wild orchid species, and iii) Correlate species-level diversity and variability of microbiont community with distribution range and habitat diversity in 20 congeneric orchid species. The results will impact our general understanding of the importance of plant microbiomes in determining their adaptive and evolutionary success, and provide important knowledge on factors effecting plant distribution of high relevance in nature management and conservation of threatened plant species.

Оригинален текст от CORDIS (на английски).

Участници

KOBENHAVNS UNIVERSITET · KOBENHAVNКоординаторДания