Combined genetic and physical map of the complex genome of Agrobacterium tumefaciens

被引:21
作者
Goodner, BW [1 ]
Markelz, BP [1 ]
Flanagan, MC [1 ]
Crowell, CB [1 ]
Racette, JL [1 ]
Schilling, BA [1 ]
Halfon, LM [1 ]
Mellors, JS [1 ]
Grabowski, G [1 ]
机构
[1] Univ Richmond, Dept Biol, Richmond, VA 23173 USA
关键词
D O I
10.1128/JB.181.17.5160-5166.1999
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A combined genetic and physical map of the Agrobacterium tumefaciens A348 (derivative of C58) genome was constructed to address the discrepancy between initial single-chromosome genetic maps and more recent physical mapping data supporting the presence of two nonhomologous chromosomes. The combined map confirms the two-chromosome genomic structure and the correspondence of the initial genetic maps to the circular chromosome. The linear chromosome is almost devoid of auxotrophic markers, which probably explains why it was missed by genetic mapping studies.
引用
收藏
页码:5160 / 5166
页数:7
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