Without beautiful countryside,there will be no beautiful China.The family farm is a beautiful scene in the construction of new socialist countryside.However,the construction of family farms just starts in China.It sti...Without beautiful countryside,there will be no beautiful China.The family farm is a beautiful scene in the construction of new socialist countryside.However,the construction of family farms just starts in China.It still remains at pilot and fumbling stage.There are still mainly unfavorable factors including separate land,insufficient funds,lack of security for farmers,lack of talents,and service lagging behind.On the basis of analyzing various weak points,we put forward countermeasures and recommendations for construction of family farms on promoting orderly farmland circulation,strengthening financial support,improving professional quality,supplying social security,increasing public investment,and attaching importance to standardized operation.展开更多
Salt stress is a major abiotic stress which severely hinders crop production.However,the regulatory network controlling tomato resistance to salt remains unclear.Here,we found that the tomato WRKY transcription factor...Salt stress is a major abiotic stress which severely hinders crop production.However,the regulatory network controlling tomato resistance to salt remains unclear.Here,we found that the tomato WRKY transcription factor WRKY57 acted as a negative regulator in salt stress response by directly attenuating the transcription of salt-responsive genes(Sl RD29B and Sl DREB2)and an ion homeostasis gene(Sl SOS1).We further identified two VQ-motif containing proteins Sl VQ16 and Sl VQ21as Sl WRKY57-interacting proteins.Sl VQ16 positively,while Sl VQ21 negatively modulated tomato resistance to salt stress.Sl VQ16 and Sl VQ21 competitively interacted with Sl WRKY57 and antagonistically regulated the transcriptional repression activity of Sl WRKY57.Additionally,the Sl WRKY57-Sl VQ21/Sl VQ16 module was involved in the pathway of phytohormone jasmonates(JAs)by interacting with JA repressors JA-ZIM domain(JAZ)proteins.These results provide new insights into how the Sl WRKY57-Sl VQ21/Sl VQ16 module finely tunes tomato salt tolerance.展开更多
文摘Without beautiful countryside,there will be no beautiful China.The family farm is a beautiful scene in the construction of new socialist countryside.However,the construction of family farms just starts in China.It still remains at pilot and fumbling stage.There are still mainly unfavorable factors including separate land,insufficient funds,lack of security for farmers,lack of talents,and service lagging behind.On the basis of analyzing various weak points,we put forward countermeasures and recommendations for construction of family farms on promoting orderly farmland circulation,strengthening financial support,improving professional quality,supplying social security,increasing public investment,and attaching importance to standardized operation.
基金supported by the Project of Cultivation for young top-notch Talents of Beijing Municipal Institutions (Grant No.BPHR202203099)。
文摘Salt stress is a major abiotic stress which severely hinders crop production.However,the regulatory network controlling tomato resistance to salt remains unclear.Here,we found that the tomato WRKY transcription factor WRKY57 acted as a negative regulator in salt stress response by directly attenuating the transcription of salt-responsive genes(Sl RD29B and Sl DREB2)and an ion homeostasis gene(Sl SOS1).We further identified two VQ-motif containing proteins Sl VQ16 and Sl VQ21as Sl WRKY57-interacting proteins.Sl VQ16 positively,while Sl VQ21 negatively modulated tomato resistance to salt stress.Sl VQ16 and Sl VQ21 competitively interacted with Sl WRKY57 and antagonistically regulated the transcriptional repression activity of Sl WRKY57.Additionally,the Sl WRKY57-Sl VQ21/Sl VQ16 module was involved in the pathway of phytohormone jasmonates(JAs)by interacting with JA repressors JA-ZIM domain(JAZ)proteins.These results provide new insights into how the Sl WRKY57-Sl VQ21/Sl VQ16 module finely tunes tomato salt tolerance.
