Delayed fertilization facilitates flowering time diversity in Fagaceae
Delayed fertilization facilitates flowering time diversity in Fagaceae
复制标题
延迟受精促进壳斗科开花时间多样性
DOI：
10.1098/rstb.2021.0115
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Dave Kelly
中科院分区：
文献类型：
--
作者：
Akiko Satake;Dave Kelly
壳斗科包括典型的桅杆物种，表现出高度同步和波动的橡子生产。壳斗科植物在授粉后受精延迟数周至1年以上，这是一个有趣的特征。虽然延迟受精早在世纪就有记载，但延迟受精的进化优势仍然知之甚少。在这里，我们提出了一个新的假设，延迟受精促进时间生态位分化，通过不重叠的开花时间之间的物种。比较壳斗科5属228种植物的开花和结果时间，我们首先发现，开花时间的广泛传播和2年结果习性的可能性之间存在密切联系，其中从授粉到受精有很长的延迟。为了研究开花时间和延迟受精的协同进化，我们建立了一个数学模型，该模型综合了传粉者竞争、种子捕食者饱足和不利的繁殖季节对适应度的影响。该模型表明，延迟受精有利于开花时间的多样化在人口中，这是有利的动物授粉的树木，竞争传粉者。我们关于延迟受精和开花时间的协同进化的新假设将为masting的进化提供新的见解。本文是主题“植物同步种子生产的生态学和进化”的一部分。
Fagaceae includes typical masting species that exhibit highly synchronized and fluctuating acorn production. Fagaceae shows an interesting feature in that fertilization is delayed by several weeks to more than 1 year after pollination. Although delayed fertilization was recorded over a century ago, the evolutionary advantage of delayed fertilization is still poorly understood. Here, we present a new hypothesis that delayed fertilization facilitates temporal niche differentiation via non-overlapping flowering times among species. Comparing flowering and fruiting times in 228 species from five genera in Fagaceae, we first show that there is a close association between a wider spread of flowering times and the likelihood of a 2-year fruiting habit in which there is a long delay from pollination to fertilization. To study the coevolution of flowering time and delayed fertilization, we developed a mathematical model that incorporates the effects of competition for pollinators, seed predator satiation and unfavourable season for reproduction on fitness. The model shows that delayed fertilization facilitates the diversification of flowering time in a population, which is advantageous for animal-pollinated trees that compete over pollinators. Our new hypothesis about the coevolution of delayed fertilization and flowering time will provide new insight into the evolution of masting.This article is part of the theme issue ‘The ecology and evolution of synchronized seed production in plants’.
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影响因子：
2.9
作者：
APPANAH, S
通讯作者：
APPANAH, S
DOI：
10.1098/rstb.2021.0116
发表时间：
2021-10
期刊：
Philosophical Transactions of the Royal Society B
影响因子：
--
作者：
A. Satake;D. Kelly
通讯作者：
A. Satake;D. Kelly
随着温度升高，橡树的肥大行为发生了十年的变化
影响因子：
5.5
作者：
M. Shibata;T. Masaki;T. Yagihashi;T. Shimada;T. Saitoh
通讯作者：
T. Saitoh
影响因子：
3
作者：
Sogo, Akiko;Tobe, Hiroshi
通讯作者：
Tobe, Hiroshi
相关种子失败作为环境否决以同步肥大植物的繁殖
DOI：
10.1101/171579
发表时间：
2017
期刊：
bioRxiv
影响因子：
--
作者：
Michał Bogdziewicz;M. Steele;Shealyn Marino;E. Crone
通讯作者：
E. Crone