Seasonal dynamics of fig wasp community and interaction networks in &lt;i&gt;Ficus benjamina&lt;/i&gt;

Dong, Yiyi; Peng, Yan‐Qiong; Wang, Bo

doi:10.17520/biods.2019294

Cited by 2 publications

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“…It has been reported that the emergence of fig wasps is distinctly seasonal. The pollinators can leave more offsprings in the rainy season, and nonpollinators produce more offsprings in the dry season (Wang, Yang et al 2005, Dong, Peng et al 2020). On the contrary, there is a strong competition between non-pollinators and pollinators, and the numbers of both groups show a significant negative correlation.…”

Section: Discussionmentioning

confidence: 99%

Bursts of transposable elements and paleoclimate adaptation of fig wasps

Liu,

Miao,

Huang

et al. 2024

Preprint

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The co-evolution of fig wasps with fig trees provide an excellent model for studying ecological systems and adaptive evolution. Transposable elements (TEs), as an important component of the genomes, are the powerful driver for environmental adaptation of the organisms. Here, the TEs in the genomes of six pollinator and five non-pollinator species were analyzed in the characteristics of composition, historical burst patterns, and their possible effects on the functions of conjunctive genes. Compared with pollinators, non-pollinators’ TEs showed a significant burst state with more types, longer lengths, and higher contents in the genomes, which might be related to their different evolutionary and life histories, as well as their different sensitivity to environmental changes. However, we identified a common TE burst peak period of 32-34 Mya in both groups, highly consistent with the glacial epoch of Eocene-Oligocene transition in geological history. Further functional enrichment analysis of the genes within 1 Kb near the insertion positions of TEs in the four geological periods representing the major continental ice sheet growth or decay was demonstrated, and the results showed that large amount of TEs were inserted near genes related to the environmental information processing, especially the Circadian entrainment pathway. These TEs might act as cis-regulatory modules to regulate the conjunctive genes in response to geo-climate changes. These results revealed the molecular basis of the fig wasp’s response to changes in the syconia microenvironment and paleoclimate macroenvironment from the perspective of genomic TEs. Keywords: transposable elements, fig wasp, adaptive evolution, geo-climate, cis-regulatory modules

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Section: Discussionmentioning

confidence: 99%

Bursts of transposable elements and paleoclimate adaptation of fig wasps

Liu,

Miao,

Huang

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…During the rainy season, continuous rainy day caused a large number of pollinators to die after emergence, and the high temperature also shortened the lifespan of them, resulting in a low reproductive success rate. While in the dry season, although emergence rate is reduced, the dry climate is beneficial for flight, and the cool temperature prolongs the lifespan of pollinators, thereby significantly increasing reproductive success rate (Wang, Yang et al 2005, Dong, Peng et al 2020. Considering the distribution of fig trees in the tropical and subtropical regions, it can be seen that the low temperature within a certain range is more suitable for the reproduction of pollinators.…”

Section: The Association Of Tes Burst and Paleoclimate Change And Its...mentioning

confidence: 99%

Bursts of transposable elements and adaptive evolution of fig wasps

Liu

Miao

Huang

et al. 2022

Preprint

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The mutualistic lifestyle of pollinating fig wasps and fig trees provides an excellent model for studying ecological and adaptive evolution issues. Transposable elements (TEs), as an important component of the genomes, are powerful driver for organisms to adapt to environment. Here, the genomic TEs of six pollinating fig wasps and five non-pollinating fig wasps were analyzed in the characteristics of composition and their effects on genome size, the historical burst patterns and their association with effective population size and paleoclimate changes, to infer the role of TEs in environmental adaptation in fig wasps. Compared with non-pollinators, pollinators’ TEs showed a significantly different burst state with less types and amount, shorter lengths, and lower contents in the genomes. The recent smaller effective population size and contractive demography failed to cause pollinators to accumulate more TEs, while the large number of TEs accumulated in non-pollinators positively correlated with their population expansion. The major TEs burst peaks in the history of pollinators highly overlapped with the warmer times in the Coolhouse in geological history. TEs located in the major peak period were mostly inserted near genes related to environment information processing such as Circadian entrainment pathway, and might act as CRMs (cis-regulatory modules) to regulate the conjunctive genes in response to paleoclimate changes in pollinators. These results revealed the molecular basis of the fig wasp’s response to changes in the syconia microenvironment and paleoclimate macroenvironment from the perspective of genomic TEs.

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Seasonal dynamics of fig wasp community and interaction networks in <i>Ficus benjamina</i>

Cited by 2 publications

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Bursts of transposable elements and paleoclimate adaptation of fig wasps

Bursts of transposable elements and paleoclimate adaptation of fig wasps

Bursts of transposable elements and adaptive evolution of fig wasps

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