父本丛枝菌根真菌状态影响种子中的DNA甲基化。
Paternal arbuscular mycorrhizal fungal status affects DNA methylation in seeds.
作者信息
Varga Sandra, Soulsbury Carl D
机构信息
School of Life Sciences, University of Lincoln, Joseph Banks Laboratories, Lincoln LN6 7TS, UK
School of Life Sciences, University of Lincoln, Joseph Banks Laboratories, Lincoln LN6 7TS, UK.
出版信息
Biol Lett. 2017 Sep;13(9). doi: 10.1098/rsbl.2017.0407.
Most land plants grow in association with arbuscular mycorrhizal fungi (AMF) in their roots and these fungi can cause transgenerational effects on plants' offspring. These may be caused by changes in DNA methylation of the offspring. In this study, we compared the amount of global DNA methylation in seeds of the gynodioecious plant in relation to the gender and the AMF status of the parents producing the seeds. The amount of DNA methylated was positively related to seed mass. Seeds produced by females had a similar proportion of methylated DNA regardless of the AMF status of the father siring the seed. By contrast, seeds from hermaphrodites had higher DNA methylation when sired by AMF fathers. We show to the best of our knowledge for the first time, that the AMF status of fathers can affect DNA methylation in seeds and that these changes in DNA methylation are further dependent on the gender of the mother producing the seeds.
大多数陆生植物在其根部与丛枝菌根真菌（AMF）共生生长，这些真菌会对植物后代产生跨代影响。这可能是由后代DNA甲基化的变化引起的。在本研究中，我们比较了雌雄异株植物种子中全球DNA甲基化的量，该量与产生种子的亲本的性别和AMF状态有关。DNA甲基化的量与种子质量呈正相关。无论产生种子的父本的AMF状态如何，由雌性产生的种子具有相似比例的甲基化DNA。相比之下，当由AMF父本产生种子时，雌雄同体植物的种子具有更高的DNA甲基化。据我们所知，我们首次表明父本的AMF状态可以影响种子中的DNA甲基化，并且这些DNA甲基化的变化进一步取决于产生种子的母本的性别。
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