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HTT2 promotes plant thermotolerance in Brassica rapa
Numerous regulatory genes participate in plant thermotolerance. In Arabidopsis, HEAT-INDUCED TAS1 TARGET2 (HTT2) is an important thermotolerance gene that is silenced by ta-siR255, a trans-acting siRNA. ta-siR255...
Source: BMC Plant Biology - June 20, 2018 Category: Biology Authors: Jianxia Jiang, Jinjuan Bai, Shuxia Li, Xiaorong Li, Liyong Yang and Yuke He Tags: Research article Source Type: research

Maize RNA PolIV affects the expression of genes with nearby TE insertions and has a genome-wide repressive impact on transcription
RNA-directed DNA methylation (RdDM) is a plant-specific epigenetic process that relies on the RNA polymerase IV (Pol IV) for the production of 24 nucleotide small interfering RNAs (siRNA) that guide the cytosi...
Source: BMC Plant Biology - October 12, 2017 Category: Biology Authors: Cristian Forestan, Silvia Farinati, Riccardo Aiese Cigliano, Alice Lunardon, Walter Sanseverino and Serena Varotto Tags: Research article Source Type: research

Transposable elements, mRNA expression level and strand-specificity of small RNAs are associated with non-additive inheritance of gene expression in hybrid plants
Conclusions: The data presented here is consistent with a role for differential mRNA decay kinetics as one mechanism contributing to high-parent dominance in gene expression. Our evidence is also consistent with trans repression by siRNA and TEs as the cause of low-parent dominance.
Source: BMC Plant Biology - July 3, 2015 Category: Biology Authors: Qing LiYing LiStephen MooseMatthew Hudson Source Type: research

Dynamic parent-of-origin effects on small interfering RNA expression in the developing maize endosperm
Conclusions: A subset of siRNAs subjected to imprinted expression pattern in maize developing endosperm, and they are likely correlated with certain imprinted gene expression. Additionally, siRNAs might influence nutrient uptake and allocation processes during maize endosperm development.
Source: BMC Plant Biology - Latest articles - July 24, 2014 Category: Biology Authors: Mingming XinRuolin YangYingyin YaoChuang MaHuiru PengQixin SunXiangfeng WangZhongfu Ni Source Type: research

Mutation of the RDR1 gene caused genome-wide changes in gene expression, regional variation in small RNA clusters and localized alteration in DNA methylation in rice
Conclusions: Our results showed that OsRDR1 plays a role in regulating a substantial number of endogenous genes with diverse functions in rice through smRNA-mediated pathways involving DNA methylation, and which participates in abiotic stress response.
Source: BMC Plant Biology - Latest articles - June 30, 2014 Category: Biology Authors: Ningning WangDi ZhangZhenhui WangHongwei XunJian MaHui WangWei HuangYing LiuXiuyun LinNing LiXiufang OuChunyu ZhangMing-Bo WangBao Liu Source Type: research