ゼンマイ胞子起源カルスにおける染色体の数的安定性と形態的不安定性〔英文〕
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Karyotype analysis was performed on spore calli of Osmunda japonica on MS media containing 2, 4-D and kinetin in order to clear up the cytogenetical behavior of callus cells from the haploid cells of a fern.The spore calli showed a fair stability in haploid chromosome number (n=22). However, these calli showed a remarkable variation in karyotype as follows. The normal karyotype corresponding to that of the sopre donor was observed only in a few callus cells. The other karyotypes in many spore calli were multiple, and not systematically consolidated. These karyomorphological aspects were concluded that gross rearrangements of chromosome structures with maintaining a fair stability in haploid chromosome number are associated with spore cultures of O. japonica as a nuclear response to callus induction and to established culture condition.
- 日本植物細胞分子生物学会の論文
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- ゼンマイ胞子起源カルスにおける染色体の数的安定性と形態的不安定性〔英文〕