Construction of high-density genetic map and QTL mapping in Nicotiana tabacum backcrossing BC4F3 population using whole-genome sequencing | Zhijun Tong, Sanjie Jiang, Weiming He, Xuejun Chen, Lixin Yin, Dunhuang Fang, Yafei Hu, Fangchan Jiao, Chi Zhang, Jianmin Zeng, Xinfu Wu, Shancen Zhao, Jianbo Jian, Bingguang Xiao Agricultural Journals

The photosystem I complex from Nicotiana tabacum, which has an alloploid genome, contains subunits of 17.5 and 18.5 kilodaltons whose N-terminal amino acid sequences are highly homologous. Comparative analysis of photosystem I subunits among N. tabacum and its ancestral plants, N. tomentosiformis and N. sylvestris, revealed that the 17.5 kilodalton subunit of N. tabacum derives from N. sylvestr...

An amine, after dansylation, has been isolated from Nicotiana tabacum crown gall tumours for the first time and characterized as 4-hydroxy-3-methoxy-beta-phenylethylamine (3-methoxytyramine). The compound cannot be detected in differentiated N. tabacum tissues but appears in the corresponding callus controls. Its concentration is further increased 5-42-fold when N. tabacum is transformed with a...

Host plant performance, esterase, and virus transmission tests revealed cassava-strain and sweetpotato-strain populations of whiteßy Bemisia tabaci (Gennadius) biotypes in India. Individuals from the sweetpotato-reared population did not breed on cassava, Manihot esculenta Crantz, and the cassava-strain-reared individuals failed to develop on sweetpotato, Ipomoea batatus (L.) Lam. Eggplant, Sol...

Field microplot experiments were conducted from 1995 to 1998 to determine the relationship between fresh shoot weight of stalk-cut broadleaf and shade-grown cigar wrapper tobacco types (Nicotiana tabacum L.) and initial density of Globodera tabacum tabacum second stage juveniles (J2) per cm(3) soil. Total shoot weight was negatively correlated with initial nematode densities of 12.3 to 747.3 J2...