Cell Host & Microbe, Journal Year: 2023, Volume and Issue: 31(12), P. 1956 - 1958
Published: Dec. 1, 2023
Language: Английский
Microbiome, Journal Year: 2025, Volume and Issue: 13(1)
Published: Jan. 31, 2025
Abstract Background A growing body of evidence demonstrates that host-associated microbial communities plant leaf surfaces (i.e. the phyllosphere) can influence host functional traits. However, it remains unclear whether selection is a universal driver phyllosphere community assembly. We targeted mānuka ( Leptospermum scoparium ) and three neighbouring non-mānuka species along an 1800-m transect in New Zealand native bush to conduct hypothesis-driven investigation relative identity stochastic dispersal on composition natural bacterial communities. Results detected significant correlations between are consistent with dominant role assembly microbiome. In contrast, compositions neighbouring, ecologically similar plants were highly variable, suggesting processes, such as dispersal, had stronger microbiomes those compared microbiome mānuka. Furthermore, distribution taxa among was congruent scenario which microorganisms dispersed from microbiomes. Conclusions conclude not should be presumed trait across species. The specificity suggests presence functionally bacteria under direct, possibly chemically mediated, by host. we propose strong selection, mānuka, may act source for plants.
Language: Английский
Citations
1
Plants, Journal Year: 2024, Volume and Issue: 13(11), P. 1565 - 1565
Published: June 5, 2024
Microorganisms associated with plants play a crucial role in their growth, development, and overall health. However, much remains unclear regarding the relative significance of tree species identity spatial variation shaping distribution plant bacterial communities across large tropical regions, as well how these respond to environmental changes. In this study, we aimed elucidate characteristics community composition association two rare endangered species, Dacrydium pectinatum Vatica mangachapoi, various geographical locations on Hainan Island. Our findings can be summarized follows: (1) Significant differences existed between D. V. observed diversity populations within root endosphere. Plant host-related variables, such nitrogen content, emerged key drivers influencing leaf compositions, underscoring substantial impact composition. (2) Environmental factors locations, including temperature soil pH, predominantly drove changes both root-associated compositions. These underscored influence plant-associated communities. (3) Further analysis revealed that exerted greater than compositions diversity. Overall, our study underscores variables tied location primarily dictate insights contribute understanding microbial biogeography regions carry significant implications for conservation trees.
Language: Английский
Citations
3
Ecology Letters, Journal Year: 2024, Volume and Issue: 27(6)
Published: June 1, 2024
Host specialization plays a critical role in the ecology and evolution of plant-microbe symbiosis. Theory predicts that host is associated with microbial genome streamlining influenced by abundance species, both which can vary across latitudes, leading to latitudinal gradient specificity. Here, we quantified specificity composition plant-bacteria symbioses on leaves 329 tree species spanning gradient. Our analysis revealed predominance host-specialized leaf bacteria. The degree was negatively correlated bacterial size local plants. Additionally, found an increased at lower aligning high prevalence small genomes rare tropics. These findings underscore importance plant-associated bacteria along
Language: Английский
Citations
2
bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown
Published: June 29, 2024
ABSTRACT Phyllosphere-associated microbes can significantly alter host plant fitness, with distinct functions provided by bacteria inhabiting the epiphytic (external surface) vs. endophytic niches (internal leaf tissue). Hence, it is important to understand assembly and stability of these phyllosphere communities, especially in field conditions. Broadly, communities should encounter more environmental changes immigration, whereas microbiomes face stronger selection. We analysed structure four traditionally cultivated rice landraces one commercial variety from northeast India grown for three consecutive years, supplemented opportunistic sampling 8 other landraces. Epiphytic bacterial shared dominant core genera such as Methylobacterium Sphingomonas . Consistent an overall strong effect, both varied across years than Seeds sampled a focal landrace did not support vertical transmission bacteria, suggesting that types are assembled anew each generation. Despite points convergence, had composition higher microbial load, were rich, diverse, modular, unstable communities. Finally, focused developmental stages showed divergence between two arose primarily at flowering stage. Thus, our results show convergent divergent patterns community rice, identifying key may aid agricultural interventions increase yield.
Language: Английский
Citations
1
mSphere, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 30, 2024
ABSTRACT Phyllosphere-associated microbes can significantly alter host plant fitness, with distinct functions provided by bacteria inhabiting the epiphytic (external surface) vs endophytic niches (internal leaf tissue). Hence, it is important to understand assembly and stability of these phyllosphere communities, especially in field conditions. Broadly, communities should encounter more environmental fluctuations frequent immigration, whereas microbiota face stronger selection. As a result, we expect greater variability than communities. We analyzed structure four traditionally cultivated rice landraces one commercial variety from northeast India grown for 3 consecutive years, supplemented opportunistic sampling eight other landraces. Epiphytic bacterial shared dominant core genera such as Methylobacterium Sphingomonas . Consistent an overall strong effect, both varied across years Seeds sampled focal landrace did not support vertical transmission bacteria, suggesting that types are assembled anew each generation. Despite points convergence, had composition higher microbial load were rich, diverse, modular, unstable Finally, focused developmental stages showed divergence between two arose primarily at flowering stage. Thus, our results show convergent divergent patterns community rice, identifying key may aid agricultural interventions increase yield. IMPORTANCE Phyllosphere (leaf-associated) impact making crucial how maintained. While many studies have (surface) relatively poor understanding which colonize very niche formed inside tissues. found several landraces, largely colonized same genera, indicating species level highlighting need mechanisms underlying this divergence. Surprisingly, only weakly shaped landrace, much role factors likely vary over time. microbiome-based increasing productivity could perhaps be generalized varieties but would account temporal instability microbiota. Our thus highlight importance data sets ours—with extensive years—for their applications field.
Language: Английский
Citations
1
Authorea (Authorea), Journal Year: 2024, Volume and Issue: unknown
Published: March 13, 2024
Foliar herbivory is known to directly affect phyllosphere microbiomes through altering plant phenotypes. However, how evolutionary responses shape unclear. Here we use different invasive populations of the Ambrosia artemisiifolia that vary in reassociation timespan with a native specialist herbivore, test whether renewed selection imposed by herbivore accompanied shifts leaf chemistry and correlated changes microbial communities. In common garden experiments found directional fungal communities increasing duration reassociation, increased alpha diversity community complexity. These were associated concentrations metabolites, expression levels their underlying biosynthetic genes, resistance. Invasive insects can thus reshape via chemistry, demonstrating role herbivores modulating
Language: Английский
Citations
0
bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 7, 2024
Abstract Agricultural grasslands are often managed intensively, influencing soil properties and microbial communities. This can result in significant community changes challenges to health function at different levels along the trophic chain. study investigates how fertilization affects communities grassland ecosystems multiple connected compartments. Shifts composition occurred response with effects being host-dependent more pronounced belowground Strong interactions between facilitated transmission of bacterial genera from roots higher levels. Pig slurry- derived microbes were found all compartments, but their low prevalence suggests an indirect effect fertilisation, primarily due nutrient availability. Our findings emphasize importance considering both individual compartments fully understand anthropogenic disturbances on environmental human health.
Language: Английский
Citations
0
Cell Host & Microbe, Journal Year: 2023, Volume and Issue: 31(12), P. 1956 - 1958
Published: Dec. 1, 2023
Language: Английский
Citations
0