???????????????????????????? ???????????????????????? ?????????????????????????? ?????? ???????? ?????????? Nicotiana
???????????????????????????? ???????????????????????? ?????????????????????????? ?????? ???????? ?????????? Nicotiana
Restriction mappings for five Nicotiana species of australian origin ??? N. eastii, N. occidentalis, N. exigua and american one ??? N. undulata, N. chinensis have been constructed using Sal Gl, Xho I, Pst 1, Pvu II and Sma I restriction endonucleases. Most of changes found in chloroplast DNA are positioned in the central part of the large single-copy region and are adjacent to inverted repeats. These changes are, probably, due to deletions and/or insertions. On the contrary, the changes in the small single-copy region are mainly caused by point mutations.
?????????????????? ???????????????????????????? ???????????????????????? ???????? ?????????? Nicotinia, ?????? ???? ?????????????? ???????????????????????????? ?????????????????????????? ??? N. ????stii, N. occidentalis, N. exigua ?? ?????? ?????????????????????????? ??? N. undulata, N. chinensis.
?????????????????? ???????????????????????? ???????????????????? ??????????? ?????????? Nicotinia, ?????? ?? ???????? ?????????????????????????????? ???????????????????? ??? N. ????stii, N. occidentalis, N. exigua ?? ?????? ???????????????????????????? ??? N. undulata, N. chinensis.
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