U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Plant Stress and Germplasm Development Research: Lubbock, TX
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    Careers


        


                    Projects
                        NP 301Search small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Plains Area Lubbock, Texas Cropping Systems Research Laboratory Plant Stress and Germplasm Development Research Research Publications at this Location





- ARS National Programs
- Search for a scientific manuscript
- Search for a research project
- ARS Software
- Programs and Projects
- Collaborations
- Subjects of Investigation
- Publications

Title:   Author  item
                                            Chen, Junpingitem
                                            Xin, Zhanguoitem
                                            Burke, John
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 7/22/2007
                                    Publication  Date: 7/27/2007
                                    Citation: Chen, J., Xin, Z., Burke, J.J. 2007. The conserved role of FtsH11 protease in protection of photosynthetic system from high temperature stress in higher plants[abstract]. 14th International Congress on Photosynthesis.  Glasgow, Scotland. July 22-27, 2007.Interpretive Summary:
                                Technical Abstract: As sessile organisms, plants employ multiple mechanisms to cope with seasonal and daily temperature fluctuations associated with their habitats. AtFtsH11 protease gene was identified via map-based cloning as essential for Arabidopsis plant to survive at moderate high temperatures. There are 12 predicted FtsH genes in Arabidopsis genome, with all previously characterized FtsH proteases playing roles in alleviation of light stress.  Under high light conditions at 21oC, ftsh11 mutants were indistinguishable from wild type plants in photosynthesis capacity.  However, under temperatures at 30oC or above, ftsh11 mutants display a host of changes in photosynthetic parameters typical of thermosensitivity and eventually lead to cessation of plant growth and development, and death.  Orthologs of AtFtsh11 were identified in pea (PsFtsH11) and rice (OsFtsH11). Overexpression of wild-type AtFtsH11 and PsFtsH11 were able to complement the thermosensitive phenotypes of ftsh11 mutants, suggesting a conserved role of FtsH11 proteases in alleviation of damage caused by high temperatures.  Further analysis indicated that FtsH11 play essential roles in the early stages of chloroplast biogenesis and in maintaining thermostability of photosynthetic systems under high temperature stress.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov