By Leland N. Edmunds Jr. (auth.), Professor Dr. Wolfgang Wiessner, Professor David G. Robinson Ph.D., Professor Richard C. Starr Ph.D. (eds.)
From the contents: interplay of circadian oscillators and the mobilephone developmental cycle in Euglena.- regulate issues within the Chlamydomonas cellphone Cycle.- percentages for time dimension in synchronous Chlorella - circadian rhythm and timing.- Diatom mitosis: Implications of a version System.- Wall morphogenesis in centric diatoms.- cellphone elongation within the purple alga Griffithsia: regulate via mild, ions, and an endogenous glycoprotein hormone.- Molecular signs in the course of sexual induction of Volvox carteri f. nagariensis.- Pheromone-inducible glycoproteins of the extracelluar matrix of Volvox and their attainable function in sexual induction.- Environmental and Pheromonal regulate of Sexual copy inLaminaria.- motion of cellphone wall autolysins in asexual copy of filamentous eco-friendly algae: proof and species specificity.- Molecular reputation houses of Chlamydomonas HRGPs.- Maturation of a Flagellum/Basal physique calls for a couple of mobilephone Cycle in Algal Flagellates: stories on Nephroselmis olivacea.- Protein synthesis in chloroplasts.- comparability of envelope membranes from greater crops and algae plastids and of outer membranes from Cyanobacteria.- rules of chloroplast differentiation: Cooperation among Light-Induced procedures and inner Adaptation.- interplay of nuclear and chloroplast mutations in biogenesis of chloroplast ribosomes in Chlamydomonas.- facts for a number of features of the Intrinsic, 32-34 kDa Chloroplast Membrane Polypeptide of Scenedesmus in Photosystem II Reactions.- "Life cycle" of the 32 kDa-protein of Chlamydomonas chloroplasts.- diversified varieties of LHC within the eco-friendly Alga chlamydobotrys stellata.- Taxonomic Index.- topic Index. Die verschiedenen Entwicklungstypen und Rhythmen von Algen werden anhand von verschiedenen Beispielen erlautert, wobei die physiologischen Grundlagen im Vordergrund stehen.
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Additional info for Algal Development: Molecular and Cellular Aspects
Findlay et al. (1969) have shown that cells of several species of Griffithsia actively accumulate K+ in their vacuoles to levels approximately 50 fold that found in the medium. We have investigated the role of K+ in maintaining rhizoid elongation. 0 mM, 10 mM, and 100 mM. Rhizoid elongation and morphology was monitored. In 100 mM K+, rhizoids lysed at their apices. In some cases, the tip resealed and elongation restarted. The effects of the other concentrations of K+ on elongation are shown in Figure 1.
_----~ o 4 TIME (hr) 8 Figure 2: Effect of Monensin on Rhizoid Apical Cell Elongation. Plants were started from single cells and cultured for 7 days as previously described (Waaland and Watson, 1980). Medium containing monensin was prepared by diluting a stock solution of 5 mM monensin in 95% ethanol 1:500 in enriched seawater. (-0- 10 pM monensin, -X - Control) Monensin was added at time=O and removed at time=l hr (arrow) 46 ceased immediately. In 3 mM K+ rhizoid elongation continued at the control (10 mM K+) rate, while 1 mM K+ rhizoids elongated for several hours and then stopped.
1979). 1985a,b), whereas in pennates the situation is not clear yet. In Coscinodiscus the vesicles were seen to be Golgi-derived (Schmid 1984c, 1986a). For shaping a diatom valve we can assume that silicon, the major building material, is transported and moulded while in aqueous solution, and it precipitates and hardens by polycondensation into opaline silica. Silica is amorphous without any inherent form. Like concrete, it displays grossform only when moulded from the outside. The silicalemma as a naked biomembrane is however, not rigid; therefore, the SOY does not have moulding capacity.
Algal Development: Molecular and Cellular Aspects by Leland N. Edmunds Jr. (auth.), Professor Dr. Wolfgang Wiessner, Professor David G. Robinson Ph.D., Professor Richard C. Starr Ph.D. (eds.)