protonema


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protonema

(prō′tə-nē′mə)
n. pl. proto·nemata (-nē′mə-tə, -nĕm′ə-)
The filamentous growth that arises following spore germination in liverworts and mosses and develops into a mature gametophyte.

pro′to·ne′mal (-nē′məl), pro′to·ne′ma·tal (-nē′mə-təl, -nĕm′ə-) adj.

protonema

a haploid, branched, filamentous structure, produced by the germination of a moss spore, that produces new plants by budding.
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humicus, Physcomitrella Bacillus patens) megaterium Protonema Plant culture Treatment Boat orchid Ribavirin (Cymbidium Sw.
El objetivo de este trabajo es el de contribuir al conocimiento de la morfologia de las esporas, del patron de germinacion y desarrollo del protonema de S.
En los cultivos, la celula germinativa, usualmente ovoide, comienza a dividirse, y a los 17-18 dias de la siembra desarrolla un corto filamento de 2-3 celulas muy ricas en plastos esfericos, de color verde intenso, que es el protonema filamentoso (cloronema), que presenta los tabiques rectos (Fig.
The discovery came after the team compared DNA sequences and other genetic information from the protonema, with samples of C.
The Mt Erebus protonema was found to share a significant proportion of its genetic material with the three C.
Cytodifferentiation patterns of Dryopteris protonema modified by some chemical agents.
Collembola also eat moss protonema (Varga, 1992), transport fungus spores, and consume bacterial plant pathogens (Christiansen, 1964; Wiggins and Curl, 1979).
The protonema of these mosses is sensitive to desiccation (Thomas et al.
Against such a simple interpretation, Celakovsky classified the production of a leafy gametophore from a moss protonema as an alternation of homologous shoots.