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| 1 | Plant Prime Editors Enable Precise Gene Editing in Rice Cells显示文摘Genome editing is revolutionizing plant research and crop breeding.Sequence-specific nucleases(SSNs)such as zinc finger nuclease(ZFN)and TAL effector nuclease(TALEN)have been used to create site-specific DNA double-strand breaks and to achieve precise DNA modifications by promoting homology-directed repair(HDR)(Steinert et al.,2016;Voytas,2013).Later,RNA-guided SSNs such as CRISPR-Cas9,Cas12a,Cas12b,and their variants were applied for genome editing in plants(Li et al.,2013;Nekrasov et alM 2013;Tang et al.,2017;Zhong et al.,2019;Ming et al.,2020;Tang et al.,2019).However,HDR relies on simultaneous delivery of SSNs and DNA donors,which has been challenging in plants(Steinert et al.,2016;Zhang et aL,2019).Another challenge for realizing efficient HDR in plants is that DNA repair favors nonhomologous end joining(NHEJ)pathways over HDR in most cell types(Puchta,2005;Qi et al.,2013). | Xu Tang Simon Sretenovic Qiurong Ren Xinyu Jia Mengke Li Tingting Fan Desuo Yin Shuyue Xiang Yachong Guo Li Liu Xuelian Zheng Yiping Qi Yong Zhang | 2020 | Molecular Plant2020，13，5： | 20 |
| 2 | Expanding plant genome-editing scope by an engineered iSpyMacCas9 system that targets A-rich PAM sequences显示文摘The most popular CRISPR-SpCas9 systemrecognizes canonical NGG protospacer adjacent motifs(PAMs).Previously engineered SpCas9 variants,such as Cas9-NG,favor G-rich PAMs in genome editing.In this manuscript,we describe a new plant genome-editing system based on a hybrid iSpyMacCas9 platform that allows for targeted mutagenesis,C to T base editing,and A to G base editing at A-rich PAMs.This study fills amajor technology gap in the CRISPR-Cas9 system for editing NAAR PAMs in plants,which greatly expands the targeting scope of CRISPR-Cas9.Finally,our vector systems are fully compatible with Gateway cloning and will work with all existing single-guide RNA expression systems,facilitating easy adoption of the systems by others.We anticipate that more tools,such as prime editing,homology-directed repair,CRISPR interference,and CRISPR activation,will be further developed based on our promising iSpyMac-Cas9 platform. | Simon Sretenovic Desuo Yin Adam Levav Jeremy D.Selengut Stephen M.Mount Yiping Qi | 2021 | Plant Communications2021，2，2： | 1 |
| 3 | An Analysis on the Heat Resistance of Rice Germplasm Resources during Flowering Period显示文摘56 Chinese rice core germplasm resources,18 foreign rice germplasm resources and 6 restorer lines are subjected to high temperature stress during flowering period. Based on relative spikelet fertility rate,rice heat resistance is evaluated. The results show that different resistance to high temperature exists in different varieties,and 6 new rice varieties present high heat resistance. | Zhongping ZHA Desuo YIN Bingliang WAN Chunhai JIAO | 2016 | Asian Agricultural Research2016，8，6： | 0 |
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