protonemata

原糸体、糸状体

関

protonema、protonemal、trichome

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/11/23 15:35:30」(JST)

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Protonema cells of the moss Physcomitrella patens

A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of a bryophyte or pteridophyte life cycle. When a moss first grows from the spore, it grows as a protonema which develops into a leafy gametophore.

Hornworts do not have a protonemal stage, the spores germinate directly into a new Gametophyte generation.

Moss spores germinate to form an alga-like filamentous structure called the protonema. It represents the juvenile gametophyte. While the protonema is growing by apical cell division, at some stage, under the influence of the phytohormone cytokinin, buds are induced which grow by three-faced apical cells. These give rise to gametophores, stems and leaf like structures (bryophytes do not have true leaves (megaphyll). These gametophores are the adult form of the gametophyte. Protonema are characteristic of all mosses and some liverworts but are absent from hornworts. The protonema is also the photosynthetic part of a germinating fern spore.

References

English Journal

• Photosynthesis-dependent formation of convoluted plasma membrane domains in Chara internodal cells is independent of chloroplast position.

• Foissner I1, Sommer A, Hoeftberger M.
• Protoplasma.Protoplasma.2014 Dec 19. [Epub ahead of print]
• The characean green alga Chara australis forms complex plasma membrane convolutions called charasomes when exposed to light. Charasomes are involved in local acidification of the surrounding medium which facilitates carbon uptake required for photosynthesis. They have hitherto been only described in
• PMID 25524777

• A model system for analyzing intercellular communication through plasmodesmata using moss protonemata and leaves.

• Kitagawa M1, Fujita T.
• Journal of plant research.J Plant Res.2014 Dec 17. [Epub ahead of print]
• Plant growth, development, and environmental responses require the proper regulation of intercellular movement of signals and nutrients. For this, plants have specialized cytoplasmic channels, the plasmodesmata (PD), which allow the symplasmic movement of micro- and macromolecules between neighborin
• PMID 25516502

• Phospho-proteomic analysis of developmental reprogramming in the moss Physcomitrella patens.

• Wang X1, Zhou S2, Chen L2, Quatrano RS3, He Y4.
• Journal of proteomics.J Proteomics.2014 Aug 28;108:284-94. doi: 10.1016/j.jprot.2014.05.012. Epub 2014 Jun 16.
• One of the most common post-translational modifications is protein phosphorylation, which controls many activities of plant life. However, its role in the reprogramming of developmental pathways of plant cells remains elusive. Here, using Physcomitrella patens, we characterize the phospho-proteome f
• PMID 24933006

Japanese Journal

• 菌類およびコケ・シダ類における生理活性ジテルペノイドの生合成研究(学会賞,受賞業績)

• 植物の生長調節 50(1), 12-20, 2015-05-29
• NAID 110009969794

• A model system for analyzing intercellular communication through plasmodesmata using moss protonemata and leaves (JPR SYMPOSIUM : Plasmodesmata : Function and Diversity in Plant Intercellular Communication)

• Journal of plant research 128(1), 63-72, 2015-01
• NAID 40020349842

• エゾスナゴケ（<I>Racomitrium japonicum</I>）原糸体の低温長期保存法

• 植物環境工学 26(1), 30-34, 2014
• NAID 130003393023

Related Links

• Protonemata | Define Protonemata at Dictionary.com

Protonemata definition, a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs arises as a lateral or ...

• Protonemata - definition of protonemata by The Free Dictionary

Define protonemata. protonemata synonyms, protonemata pronunciation, protonemata translation, English dictionary definition of protonemata. n. pl. pro·to·ne·ma·ta The filamentous growth that arises following spore germination in ...

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★リンクテーブル★

リンク元	「糸状体」「trichome」「protonemal」「原糸体」
関連記事	「protonema」

「糸状体」

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英

trichome、protonema、protonemata、protonemal

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毛状突起、トリコーム、原糸体

「trichome」

　　[★]

毛状突起、糸状体、トリコーム

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protonema、protonemal、protonemata

「protonemal」

　　[★]

• 原糸体の、糸状体の

関

protonema、protonemata、trichome

「原糸体」

　　[★]

英

protonema、protonemata、protonemal

関

糸状体

「protonema」

　　[★]

原糸体、糸状体

関

protonemal、protonemata、trichome