Recognizing Plant Physiology first authors: Duorong Xu

Duorong Xu, first author of Extrachloroplastic PP7L Functions in Chloroplast Development and Abiotic Stress Tolerance

Name: Duorong Xu

Current Position: Ph.D. student at Department Biology I, Ludwig-Maximilians-Universität München, Germany

Education: M.S. in cell biology, Lanzhou University, B.S. in Biotechnology, Gansu Agricultural University, China

Non-scientific Interests: Traveling, Swimming, Photography, Badminton

Brief bio: My interest in plants started when I was a child, different vegetables and flowers in our garden were deeply attracting me to think why they have different colors and shapes. Wanting to understand these question led me to do scientific research and specifically plant molecular biology. I was very lucky to start the Ph.D. in the laboratory of Prof. Dr. Dario Leister at the LMU Munich. Under the supervision of PD Dr. Tatjana Kleine I started studying chloroplast biogenesis and organellar gene expression in Arabidopsis. Here, we investigated extra-chloroplastic PP7L is a positive regulator of protein synthesis in the developing chloroplast, and involved in plant stress tolerance. My current research is focused on understanding the molecular function of PP7L and characterizing genes involved in plastid retrograde signaling.

 

姓名: 徐多荣

目前职位: 慕尼黑大学， 植物分子生物学，博士研究生

教育经历：2011-2014, 兰州大学，细胞生物学，硕士，2007-2011，甘肃农业大学，生物技术，学士

兴趣爱好：旅行，游泳，摄影，羽毛球，手游

个人简介：对于植物学的兴趣来自于从小喜欢在自己家的花园观察蔬菜花朵。时常在想，是什么让这些植物长得千奇百怪，五彩缤纷？为了解答这些童年的好奇，我选择了生物学专业，由此正式开始了一场关于植物的科学之旅。我非常有幸在慕尼黑大学Prof. Dr. Dario Leister的实验室攻读博士学位。在我的导师PD Dr. Tatjana Kleine指导下，我们以拟南芥为研究材料，对叶绿体发育和细胞器基因表达两个方向展开研究。我们发现PP7L蛋白作为蛋白质磷酸酶家族成员，并非类似PP7蛋白通过调控SIGMA 因子来参与叶绿体相关的基因表达。植物体缺失PP7L蛋白导致叶绿体内核糖体RNA成熟受损，蛋白翻译效率显著下降，从而影响了叶绿体的发育。我们还发现，PP7L同时参与植物对于逆境胁迫的响应。目前，我的研究工作主要集中在揭示PP7L行使功能的分子机制及筛选参与质体逆行信号的信号分子。