Dr. Juan Xu

  • Address: Institute of Citrus Science, Huazhong Agricultural University,Wuhan 430070, China
  • Tel: 86 27 87286965 (O)
  • Email: xujuan@mail.hzau.edu.cn


1999 – 2002 Ph.D. Huazhong Agricultural University, Fruit Science, Wuhan, China

1994 – 1997 Master Huazhong Agricultural University, Fruit Science, Wuhan, China

1990 – 1994 B.A. Huazhong Agricultural University, Fruit Science, Wuhan, China

Professional Experience

2013.4 – 2014.4 Visiting scholar in The New Zealand Institute for Plant and food Research Limited, Study on ‘Molecular mechanism governing aspects of fruit qualities’, Hosted by Dr. Jia-long Yao (senior scientist)

2013.1 – present Professor of Fruit Science, Huazhong Agricultural University

2004.1 – 2012.12 Associate Professor of free science, Huazhong Agricultural University

2007.3 – 2011.3 The executive secretary and the treasure of the 11th International Citrus Congress (ICC2008), Wuhan, China, the vice chief and managing editor of The Proceedings of the International Society of Citriculture

2006.9 – 2007.3 Visiting scholar in Italian National Agency for New Technology, Energy and the Environment (ENEA, Roma), study on ‘Virus induced carotenogenic gene silencing in tomato’. Hosted by: Dr. Giovanni Guliano

2002.5 – 2005.6 Lecturer in training course on ‘Application of molecular markers on tropical fruit crops resources’ held by International Plant genetic Resources Institute (IPGRI).

2002.7 – 2003.12 Lecturer of fruit science, Huazhong Agricultural University

1997.7 – 1999.7 Assistant in Southern China University of Tropical Agriculture (now Hainan University)

Program emphasis

Citrus quality biology and regulation. 1) Biosynthesis and metabolism of carotenoids in citrus fruit; 2) Regulatory mechanism of citrus secondary metabolisms by using citrus callus; 3) Formation of special aroma in Mangshanyegan, a wild germplasm of citrus; 4) Physiology and genetic mechanism of the bitter compounds accumulation in citrus.

Selected publications ( * Corresponding author )
  • 1. Wang SC, Tu H, Wan J, Chen W, Liu XQ, Luo J, Xu J*, Zhang HY* (2016) Spatio-temporal distribution and natural variation of metabolites in citrus fruits. Food Chemistry 199: 8-17
  • 2. Xu J*, Ma LL, Jiang D, Zhu SP, Yan FH, Xie YX, Xie ZZ, Guo WW, Deng XX (2015) Content evaluation of 4 furanocoumarin monomers in various citrus germplasms. Food Chemistry 187: 75-81
  • 3. Chen JJ, Zhan HY, Pang YB, Cheng YJ, Deng XX, Xu J* (2015) Comparative study of flavonoid production in lycopene-accumulated and blonde-flesh sweet oranges (Citrus sinensis) during fruit development. Food Chemistry 184: 238-246
  • 4. Chen JJ, Li SJ, Xu J*, Ding F, Wang Z, Cheng YJ, Deng XX (2015) Concentration and distribution of main bitter compounds in fruit tissues of ‘Oroblanco’ (Citrus grandis L.× Citrus paradisi Macf.). Scientia Horticulturae 193: 84-89
  • 5. Liu CH#, Yan FH#, Gao HJ, He M, Wang Z, Cheng YJ, Deng XX, Xu J* (2015) Features of citrus terpenoids production as revealed by carotenoid, limonoid and aroma profiles of two pummelos (Citrus maxima) with different flesh colors. Journal of the Science of Food and Agriculture 95: 111–119
  • 6. Li SJ, Wang Z, Ding F, Sun D, Ma ZC, Cheng YJ, Xu J* (2014) Content changes of bitter compounds in 'Guoqing No.1' Satsuma mandarin (Citrus unshiu Marc.) during fruit development of consecutive 3 seasons. Food Chemistry 145: 963-969
  • 7. Liu CH, Jiang D, Cheng YJ, Deng XX, Chen F, Fang L, Ma ZC, Xu J* (2013) Chemotaxonomic study of Citrus, Poncirus and Fortunella genotypes based on peel oil volatile compounds--deciphering the genetic origin of Mangshanyegan (Citrus nobilis Lauriro). PloS One 8(3): e58411
  • 8. Zhang JC, Zhou WJ, Xu Q, Tao NG, Ye JL, Guo F, Xu J*, Deng XX* (2013) Two lycopene β-cyclases genes from sweet orange (Citrus sinensis L. Osbeck) encode enzymes with different functional efficiency during the conversion of lycopene-to- provitamin A. Journal of Integrative Agriculture 12(10): 1731-1747
  • 9. Cao HB, Zhang JC, Xu JD, YE JL, Yun Z, Xu Q, Xu J*, Deng XX* (2012) Comprehending crystalline β-carotene accumulation by comparing engineered cell models and the natural carotenoid-rich system of citrus. Journal of Experimental Botany 63 (12): 4403-4417
  • 10. Liu CH, Cheng YJ, Zhang HY, Deng XX, Chen F, Xu J* (2012) Volatile constituents of wild citrus Mangshanyegan (Citrus nobilis Lauriro) peel oil. Journal of Agricultural and Food Chemistry 60(10): 2617-2628
  • 11. Liu CH, Zhang HY, Dai ZY, Liu X, Liu Y, Deng XX, Chen F, Xu J* (2012) Volatile chemical and carotenoid profiles in watermelons [Citrullus vulgaris (Thunb.) Schrad (Cucurbitaceae)] with different flesh colors. Food Science and Biotechnology 21(2): 531-541
  • 12. Xu J#*, Tao NG#, Cao HB, Liu Q, Deng XX (2011) Presence of two variants of lycopene β-cyclase gene in genomes of citrus and its relatives. Biotechnology and Biotechnological Equipment 25(3): 2452-2457
  • 13. Gao HJ, Xu J*, Liu X, Liu BZ, Deng XX (2011) Light effect on carotenoids production and expression of carotenogenesis genes in citrus callus of four genotypes. Acta Physiologiae Plantarum 33: 2485-2492
  • 14. Xu J*, Liu BZ, Liu X, Gao HJ, Deng XX (2011) Carotenoids synthesized in citrus callus of different genotypes. Acta Physiologiae Plantarum 33: 745-753
  • 15. Xu J*, Tao NG, Liu Q, Deng XX* (2006) Presence of diverse ratios of lycopene/β-carotene in five pink or red-fleshed citrus cultivars. Scientia Horticulturae 108: 181-184
  • 16. Deng XX*, Xu J*, Lin SM, Guan R. Proceedings of the International Society of Citriculture. Sep. 2010. China Agriculture Press. ISBN 978-7-109-14884-0