Studies on conjugation of Spirogyra using monoclonal culture

We succeeded in inducing conjugation of Spirogyra castanacea by incubating algal filaments on agar plate. Conjugation could be induced using clone culture. The scalariform conjugation was generally observed, while lateral conjugation was rarely. When two filaments formed scalariform conjugation, all...

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Veröffentlicht in:Journal of plant research 2012-05, Vol.125 (3), p.457-464
Hauptverfasser: Ikegaya, Hisato, Nakase, Takuto, Iwata, Kazuyoshi, Tsuchida, Hideaki, Sonobe, Seiji, Shimmen, Teruo
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container_end_page 464
container_issue 3
container_start_page 457
container_title Journal of plant research
container_volume 125
creator Ikegaya, Hisato
Nakase, Takuto
Iwata, Kazuyoshi
Tsuchida, Hideaki
Sonobe, Seiji
Shimmen, Teruo
description We succeeded in inducing conjugation of Spirogyra castanacea by incubating algal filaments on agar plate. Conjugation could be induced using clone culture. The scalariform conjugation was generally observed, while lateral conjugation was rarely. When two filaments formed scalariform conjugation, all cells of one filament behaved as male and those of other filament did as female. Very rarely, however, zygospores were formed in both of pair filaments. The surface of conjugation tube was stained with fluorescently labeled-lectins, such as Bandeiraea ( Griffonia ) simplicifolia lectin (BSL-I) and jacalin. BSL-I strongly stained the conjugation tubes, while weakly did the cell surface of female gamete first and then that of male gamete. Jacalin stained mainly the conjugation tubes. Addition of jacalin inhibited the formation of papilla, suggesting some important role of jacalin-binding material at the initial step of formation of the conjugation tubes.
doi_str_mv 10.1007/s10265-011-0457-3
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subjects Agar
Algae
Aquatic Organisms - physiology
Biomedical and Life Sciences
Cell culture
Cell cycle
Cell surface
Filaments
Gametes
Germ Cells, Plant - cytology
Germ Cells, Plant - growth & development
Griffonia simplicifolia
Lectins
Life Sciences
Plant Biochemistry
Plant Ecology
Plant Growth Regulators - metabolism
Plant Lectins - metabolism
Plant Physiology
Plant reproduction
Plant Sciences
Regular Paper
Reproduction - physiology
Spirogyra
Spirogyra - cytology
Spirogyra - growth & development
Zygospores
title Studies on conjugation of Spirogyra using monoclonal culture
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