Rice early flowering1, a CKI, phosphorylates DELLA protein SLR1 to negatively regulate gibberellin signalling [鍏ㄦ枃]
浠婂ぉ鍙戠幇鎵闀垮彂浜嗙瘒EMBO锛屽拰姘寸ɑGA鐩稿叧鐨勶紝鏂囩珷閲屼粙缁嶄簡涓涓猚asein kinase I锛屽彲浠ョ７閰稿寲姘寸ɑ鐨凞ELLA聽铔嬬櫧 SLR1锛岃繘鑰岃礋璋冩帶GA淇″彿
]]>鏀惧亣褰掓潵锛屾斁涓绡囬仐浼犳墍鐨勬枃绔狅紝璁蹭竴涓按绋籺ransverse filament (TF) protein锛屼笌鍑忔暟鍒嗚鑱斾細澶嶅悎浣撶殑鍏崇郴銆
ZEP1, a transverse filament (TF) protein, is the rice (Oryza sativa) homolog of Arabidopsis thaliana ZYP1. In the Tos17-insertional zep1 mutants, homologous chromosomes align along the entire length of the chromosome, but the synaptonemal complex is not assembled in early prophase I. Crossovers are well formed, and 12 bivalents could be detected from diakinesis to metaphase I, which leads to equal chromosomal segregation in anaphase I. Moreover, the number of crossovers has a tendency to be increased compared with that in the wild type. These phenomena are different from the TF mutants identified so far in other organisms. Chiasma terminalization of the bivalent, which occurs frequently in the wild type, seldom occurred in zep1. Transmission electron micrographs and immunodetection using an antibody against ZEP1 showed that ZEP1 is the central element of the synaptonemal complex. Although PAIR2 and MER3 were loaded normally in zep1, their dissociation was delayed severely compared with the wild type. In addition, ZEP1 is reloaded onto chromosomes in early microspores as the chromosome decondense, suggesting that ZEP1 might have other biological functions during this process.
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BMC Evolutionary Biology, 2010,1,20 鍓嶉潰鐗堜富鎻愬埌鐨勬枃绔锛屽啀闄勪笂绉戝缃戠殑鎶ラ亾:
]]>锛1锛涓庤姳鐩稿叧鐨勫悓婧愬紓鍨嬪熀鍥狅紙2锛鑼夎帀閰镐俊鍙疯皟鎺у洜瀛怰IM1锛3锛夎姳绮夌鐢熼暱涓恫娉″垎閫夊彈浣撳拰鍒嗘硨鍨嬭浇浣撹啘铔嬬櫧
1. Functional conservation and diversification of class E floral homeotic genes in rice (Oryza sativa)
涓庤姳鐩稿叧鐨勫悓婧愬紓鍨嬪熀鍥犲姛鑳界殑鐮旂┒銆
2. The NAC transcription factor RIM1 of rice is a new regulator of jasmonate signaling
鑼夎帀閰镐俊鍙疯皟鎺у洜瀛怰IM1銆
鑺辩矇绠＄敓闀夸腑娑叉场鍒嗛夊彈浣撳拰鍒嗘硨鍨嬭浇浣撹啘铔嬬櫧鐨勯噸瑕佷綔鐢ㄣ
Published on January 19, 2010; 10.1105/tpc.109.072041
Global Epigenetic and Transcriptional Trends among Two Rice Subspecies and Their Reciprocal Hybrids 
涓鐪嬭繖绉嶉鐩氨鐭ラ亾鑲畾鏄倱鍏存椇鍋氱殑锛屾祴浜嗘棩鏈櫞鍜9311锛屼互鍙婂畠浠鍙嶄氦鍚庝唬鐨勮浆褰曠粍锛岃〃瑙傜粍锛堢敳鍩哄寲浠ュ強3绉嶇粍铔嬬櫧淇グ锛夛紝灏廟NA缁勶紝鐒跺悗鍒嗘瀽锛岃瘽璇翠竴骞村墠鎴戜篃鎯冲仛鐨勶紝褰撴椂鎴戝彧鎯虫祴涓翰鏈互鍙婃鍙嶄氦鍚庝唬鐨勮浆褰曠粍锛岄氳繃SNP鎵惧嚭鍙楀熀鍥犵粍鍗拌璋冩帶鐨勫熀鍥狅紝鏉愭枡閮藉噯澶囧ソ浜嗭紝鍚庢潵瑙夊緱澶吹鑰屼笖娌℃湁杩涗竴姝ョ殑鎯虫硶灏辨悂娴呬簡锛屽垢浜忔病鍋氥
The behavior of transcriptomes and epigenomes in hybrids of heterotic parents is of fundamental interest. Here, we report highly integrated maps of the epigenome, mRNA, and small RNA transcriptomes of two rice (Oryza sativa) subspecies and their reciprocal hybrids. We found that gene activity was correlated with DNA methylation and both active and repressive histone modi铿乧ations in transcribed regions. Differential epigenetic modi铿乧ations correlated with changes in transcript levels among hybrids and parental lines. Distinct patterns in gene expression and epigenetic modi铿乧ations in reciprocal hybrids were observed. Through analyses of single nucleotide polymorphisms from our sequence data, we observed a high correlation of allelic bias of epigenetic modi铿乧ations or gene expression in reciprocal hybrids with their differences in the parental lines. The abundance of distinct small RNA size classes differed between the parents, and more small RNAs were downregulated聽 than聽 upregulated聽 in聽 the聽 reciprocal聽 hybrids.聽 Together,聽 our聽 data聽 reveal聽 a聽 comprehensive聽 overview聽 of transcriptional and epigenetic trends in heterotic rice crosses and provide a useful resource for the rice community.
]]>(涓哄暐鎴戝埌鐜板湪鎵嶆敹鍒版洿鏂帮紵)
A dynamic gene expression atlas covering the entire life
RT锛氭按绋绘暣涓敓鑲叉湡鐨勫熀鍥犲姩鎬佽〃杈炬ā寮忕爺绌躲傚熀鍥犺姱鐗囩殑鍒嗘瀽寰堝銆
鏄庡悗澶╁洖鍘诲弬鍔犻潰璇曪紝绁濇垜濂借繍鍚э紒
杩囨哀鍖栬儊杩殑鍩哄洜鑺墖鍒嗘瀽锛屽睍绀虹奔绮冲樊寮傦紝灏辫繖浜
灏廟NA鐨勮繃閲忚〃杈撅紝褰卞搷琛ㄥ瀷銆
J Exp Bot. 2009 Dec 16. [Epub ahead of print]
RAN鐨勮繃閲忚〃杈撅紝褰卞搷鎶楁с
]]>A gene family encoding RING finger proteins in rice: their expansion, expression diversity, and co-expressed genes.聽聽聽 [涓嬭浇]
鍏充簬姘寸ɑ涓璕ING-finger 铔嬬櫧鐨勫垎鏋愩
]]>VPE娑叉场鍔犲伐閰讹紵鍚笂鍘绘尯鐔熸倝鈥︹
OsDCL2锛屽叧浜庡皬RNA鐨勶紝娌″叴瓒ｇ殑鏃犺鍚с
PAP2锛屾帶鍒剁鍒嗗寲鐨勪竴鍩哄洜锛孧ADS-box铔嬬櫧銆
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