课题组长期致力于水稻遗传改良与分子育种研究，主要聚焦耐旱、耐高温、宜直播等性状的基因发掘、分子调控机制解析、育种应用评价及新品种选育。通过遗传定位，分子功能验证和多组学解析揭示了OsSNB、OsRINGzf1、OsAL11、OsGRAS23等基因调控水稻粒型、抗旱性的分子机制，开发多个主效基因的分子标记并获国家发明专利授权，并应用于节水抗旱稻分子育种。创制了“沪旱78S”“沪旱89S”等不育系。研究成果发表在《PLoS Genetics》，《Plant Biotechnology Journal》，《Plant Journal》，《BMC Plant Biology》等期刊。主持完成了“973”子课题、“863”子课题、国家自然科学基金项目、上海市启明星项目、自然基金项目等，参与完成国家自然科学基金重点项目、上海市基础研究重大项目、上海市科技兴农项目等。参与获得上海市科技进步一等奖、技术发明一等奖等荣誉。

1、稻种资源和遗传群体的耐旱性等性状鉴定评价和基因发掘

2、水稻重要耐旱基因调控机制研究

3、节水抗旱稻新品种选育

奖项：

2005，“栽培稻节水抗旱种质评价、创新与新品种选育研究”荣获2005年度上海市科技进步一等奖；

2010，“节水抗旱稻不育系、杂交组合选育和抗旱基因发掘技术” 荣获2010年度上海市技术发明一等奖；

主要论文和专著：

1.Ma XS, Feng FJ, Zhang Y, Elesawi I.E., Xu K, Li TF, Mei HW, Liu HY, Gao NN, Chen CL, Luo LJ*, Yu SW*. A novel rice grain size gene OsSNB was identified by genome-wide association study in nature population. PLoS Genetics, 2019, 15(5): e1008191. doi: 10.1371/journal.pgen.1008191

2.Chen SJ, Xu K, Kong DY, Wu LY, Chen Q ,Ma XS,Ma S Q,Li TF, Xie Q*, Liu HY*, Luo LJ*. Ubiquitin ligase OsRINGzf1 regulates drought resistance by controlling the turnover of OsPIP2;1. Plant Biotechnology Journal. 2022, doi.org/10.1111/pbi.13857

3.Yang Y, Ma XS, Xia H, Wang L, Chen SJ, Xu K, Yang FW, Zou YQ, Wang YL, Zhu JM, Li TF, Luo Z, Hu SP, Liao ZG, Luo LJ*, Yu SW*. Natural Variation of Alfin-like Family Affects Seed Size and Drought Tolerance in Rice. Plant Journal. 2022. 112(5):1176-1193.  doi: 10.1111/tpj.16003. 

4.Ma XS, Feng FJ, Wei HB, Mei HW, Xu K, Chen SJ, Li TF, Liang XH, Liu HY*, Luo LJ*. Genome-Wide Association Study for Plant Height and Grain Yield in Rice under Contrasting Moisture Regimes. Frontiers in Plant Science, 2016, 7:1801. doi: 10.3389/fpls.2016.01801

5.Ma XS+, Xia H+, Liu YH, Wei HB, Zheng XG, Song CZ, Chen L, Liu HY, Luo LJ*. Transcriptomic and Metabolomic Studies Disclose Key Metabolism Pathways Contributing to Well-maintained Photosynthesis under the Drought and the Consequent Drought-Tolerance in Rice. Frontiers in Plant Science, 2016, 7:1886.  10.3389/fpls.2016.01886  [IF=4.495]

6.Liu HY, Ma XS*, Li EX, Zeng XJ, Luo LJ*. Genetic Dissection of Quantitative Trait Loci for Panicle Traits and Heat Tolerance by High-Density Bin Map in Rice. Rice Science, 2022, 29(6): 507-511

7.Xia H+*, Ma XS+, Xu K+, Wang L, Liu HY, Chen L, Luo LJ*. Temporal transcriptomic differences between tolerant and susceptible genotypes contribute to rice drought tolerance. BMC Genomics, 2020, 21: 776. DOI: 10.1186/s12864-020-07193-7. 

8.Feng F+, Ma X+, Yan M, Zhang H, Mei D, Fan P, Xu X, Wei C, Lou Q, Li T, Liu H*, Luo L*, Mei H*. Identification of Genetic Loci for Rice Seedling Mesocotyl Elongation in Both Natural and Artificial Segregating Populations. Plants. 2023; 12(14):2743. https://doi.org/10.3390/plants12142743.

9.Lei Wang+, Xiaosong Ma+, Yi Liu, Guolan Liu, Haibin Wei, Zhi Luo, Hongyan Liu, Ming Yan, Anning Zhang, Xinqiao Yu, Hui Xia*, Lijun Luo*. Flexibility of parental-like or maternal-like gene expression under diverse environments contributes to combined drought avoidance and drought tolerance in a water-saving and drought-resistance rice hybrid. Theor Appl Genet 137, 221 (2024). 

10.Xu K, Chen SJ, Li TF, Ma XS, Liang XH, Ding XF, Liu HY*, Luo LJ*. OsGRAS23, a rice GRAS transcription factor gene, is involved in drought stress response through regulating expression of stress-responsive genes. BMC Plant Biology, 2015, 15:141. DOI: 10.1186/s12870-015-0532-3  

11.Wei HB+, Chen C+, Ma XS, Zhang Y, Han J, Mei HW, Yu SW*. Comparative analysis of expression profiles of panicle development among tolerant and sensitive rice in response to drought stress. Frontiers in Plant Science, 2017, 8:437. doi: 10.3389/fpls.2017.00437 

12.Bian ZJ, Chen MY, Wang L, Ma XS, Yu Q, Jia ZX, Wu JH, Wei HB, Liu HY, Liu Y, Luo LJ*, Yu SW*, Overexpressing OsNF-YB12 elevated the content of jasmonic acid and impaired drought tolerance in rice, Plant Science,  352, 2025, 

13.Zhang Y, Li J, Chen SJ, Ma XS, Wei HB, Chen C, Gao NN, Zou YQ, Kong DY, Li TF, Liu ZC, Yu SW*, Luo LJ*. An APETALA2/ethylene responsive factor, OsEBP89 Knockout Enhances Adaptation to Direct-seeding on Wet Land and Tolerance to Drought Stress in Rice. Molecular Genetics and Genomics, 2020 doi.org/10.1007/s00438-020-01669-7

14.Yu S, Yang F, Zou Y, Yang Y, Li T, Chen S, Wang Y, Xu K, Xia H and Luo L. Overexpressing PpBURP2 in Rice Increases Plant Defense to Abiotic Stress and Bacterial Leaf Blight. Front. Plant Sci. 2022, 13: 812279. 

15.Yu S, Huang A, Li J, Gao L, Feng Y, Pemberton E, Chen C. OsNAC45 plays complex roles by mediating POD activity and the expression of development-related genes under various abiotic stresses in rice root. Plant Growth Regul,  84(3): 519-513 (2018).

专利：

1.马孝松; 余舜武; 刘鸿艳; 罗利军. 一种水稻粒型基因OsSNB的分子标记用于大粒水稻的辅助选择育种（专利号：ZL 201810042202.0）

2.马孝松; 刘鸿艳; 罗利军. 水稻耐高温调控基因Hsp70基因的分子标记及应用（专利号：ZL 202210105941.6）

3.刘鸿艳; 马孝松; 罗利军; 李恩熙. 水稻耐旱性调控基因OsNAC6的分子标记及其应用（专利号：ZL 202111007901.X）

4.刘鸿艳; 马孝松; 罗利军. 水稻剑叶宽调控基因NAL1的分子标记及其应用. （专利号：ZL 202011220962.X）

5.余舜武; 杨堉楠; 杨访问; 马孝松; 夏辉; 李天菲; 陈守俊; 吴金红; 罗利军. 一种水稻基因OsAL11应用及其方法（专利号：ZL 202111383689.7）

6.马孝松; 刘鸿艳; 罗利军; 李恩熙. 水稻抽穗期调控基因OsGI的分子标记及其应用（专利号：ZL 202110911171.X）

7.张分云, 余新桥, 罗利军, 刘国兰, 张安宁, 王飞名, 刘毅, 毕俊国, 王加红, 罗星星, 潘忠权. 一种鉴定水稻光温敏两用不育系的低温冷水智能控制系统（专利号：ZL 201721876258.3）

8.与水稻抗旱性相关的全基因组SNP分子标记及其应用。（专利号：ZL202110438993.0，发明人：张分云; 罗利军; 刘国兰; 余新桥; 刘毅; 孔德艳; 张安宁; 王飞名）

认定不育系：

沪旱78S和沪旱89S

刘鸿艳、余舜武、马孝松、张分云、梁斌、苏贝贝、吴奈