Protoplasma

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Rearrangement of cortical microtubules from transverse to oblique or longitudinal in living cells of transgenicArabidopsis thaliana
Protoplasma - Tập 213 Số 1-2 - Trang 28-38 - 2000
Katsumi Ueda, Takashi Matsuyama
The effect of methylene blue on HCN and CO poisoining
Protoplasma - Tập 27 - Trang 632-632 - 1937
M. Moldenhauer
Identification and localization of calreticulin in plant cells
Protoplasma - - 1996
Michał Opas, Suzanne Tharin, Robin Milner, Marek Michalak
Elektronenmikroskopische Studien zur Funktion der Malpighischen Gefäße vonDrosophila melanogaster
Protoplasma - Tập 55 - Trang 264-293 - 1962
Armin Wessing
Gravity perception requires statoliths settled on specific plasma membrane areas in characean rhizoids and protonemata
Protoplasma - Tập 219 - Trang 150-159 - 2002
Markus Braun
The noninvasive infrared laser micromanipulation technique (optical tweezers, optical trapping) and centrifugation were used to study susception and perception, the early events in the gravitropic pathway of tip-growing characean rhizoids and protonemata. Reorientation of the growth direction in both cell types was only initiated when at least 2–3 statoliths settled on specific areas of the plasm...... hiện toàn bộ
The ultrastructure of mitosis inChroomonas salina (Cryptophyceae)
Protoplasma - Tập 88 - Trang 241-254 - 1976
Berl R. Oakley, John D. Dodge
A detailed account of the ultrastructure of mitosis in a member of theCryptophyceae is given for the first time. The initial indication of mitosis is the duplication of the flagellar bases. The nucleus migrates towards the anterior of the cell and its envelope and nucleolus break down. The chromatin which at interphase is in the form of scattered clumps, condenses into a solid mass through which r...... hiện toàn bộ
Flower nectar trichome structure of carnivorous plants from the genus butterworts Pinguicula L. (Lentibulariaceae)
Protoplasma - Tập 257 - Trang 245-259 - 2019
Krzysztof Lustofin, Piotr Świątek, Vitor F. O. Miranda, Bartosz J. Płachno
Pinguicula (Lentibulariaceae) is a genus comprising around 96 species of herbaceous, carnivorous plants, which are extremely diverse in flower size, colour and spur length and structure as well as pollination strategy. In Pinguicula, nectar is formed in the flower spur; however, there is a gap in the knowledge about the nectary trichome structure in this genus. Our aim was to compare the nectary t...... hiện toàn bộ
Initiation of development in Arbacia
Protoplasma - Tập 5 - Trang 97-126 - 1928
E. E. Just
Extra DNA synthesis in the dedifferentiating cells ofVicia faba roots
Protoplasma - Tập 124 - Trang 213-218 - 1985
P. G. Cionini, C. Zolfino, A. Cavallini
Cell dedifferentiation was induced inVicia faba root tissues by removing the whole root meristem (decapitation) and the behaviour of the nuclear DNA in the dedifferentiating cells was studied by means of cytophotometric and autoradiographic analyses. Cytophotometric determination after Feulgen-staining showed that: 1. the vast majority of nuclei in differentiated cells were in the DNA postsyntheti...... hiện toàn bộ
Variation of plastid types in spinach
Protoplasma - Tập 74 - Trang 345-356 - 1972
D. G. Cran, J. V. Possingham
During growth in the light the plastids of cultured leaf discs of spinach divide, increase in size, and differentiate in a similar manner to those in intact leaves. By contrast when l'eaf discs are grown in the dark prolamellar bodies begin to develop in partially differentiated chloroplasts within 2 hours. After 7 days growth in the dark the plastids contain many vesicles which appear to arise fr...... hiện toàn bộ
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