Planta

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Application of cryo-ultramicrotomy techniques to microtubules of bracken (Pteridium aquilinum L.) sperm cells
Planta - - 1976
R. Barton
New evidence for a role for thioredoxin h in germination and seedling development
Planta - Tập 200 - Trang 100-106 - 1996
Rosa M. Lozano, Joshua H. Wong, Boihon C. Yee, Anne Peters, Karoly Kobrehel, Bob B. Buchanan
Thioredoxin of the h-type — earlier linked to the reduction of wheat (Triticum durum Desf. cv. Monroe) endosperm proteins — was converted from an oxidized to a partially reduced state during germination and seedling development. While the abundance of thioredoxin progressively decreased during this period, the availability of reducing equivalents, defined as the product of the relative abundance o...... hiện toàn bộ
Light-stimulated respiration in the green algaDunaliella tertiolecta: Involvement of the ultraviolet/blue-light photoreceptor(s) and phytochrome?
Planta - Tập 174 - Trang 422-425 - 1988
Günter Ruyters
Starch breakdown and respiratory O2 uptake in the green algaDunaliella tertiolecta (Butcher) are stimulated not only by blue, but also by red light. In the present study, attempts are described to identify the photoreceptor(s) involved. Fluence rate-response curves with different slopes in the ultraviolet (UV)/blue and in the red spectral region as well as differences in the kinetics and in the un...... hiện toàn bộ
Über die Aktivierung des Hemmstoffsystems vonHelianthus durch kurzfristige Belichtung
Planta - Tập 57 - Trang 258-265 - 1961
Margret Bayer
Hypokotylzylinder vonHelianthus annuus wurden mit Hilfe der Agar-Abfangmethode auf ihren Wirkstoffgehalt geprüft. Aus dunkel kultivierten Keimlingen wurde Wuchsstoff während 2–3 Std in Agar abgefangen, teils im Dunkeln, teils bei Belichtung mit etwa 600 Lux. Es konnten aber nur sehr geringe Wuchsstoffmengen erhalten werden, und zwar fast nur in den Dunkelversuchen. Wurde den Agarwürfeln aber eine ...... hiện toàn bộ
The microscopy of P-protein filaments in freeze-etched sieve pores
Planta - Tập 143 - Trang 191-205 - 1978
Richard P. C. Johnson
Intact vascular bundles from Nymphoides peltata (S.G. Gmel.) O. Kuntze, shown to have translocated carbon-14, were freeze-fractured and etched for electron microscopy. The interpretation of freezefractured and etched sieve pores and P-protein filaments seen in them is discussed. The entire widths of most of the sieve pores seen contained filaments separated by less than 100 nm. Their arrangement i...... hiện toàn bộ
Degradation of active-oxygen-modified ribulose-1,5-bisphosphate carboxylase/oxygenase by chloroplastic proteases requires ATP-hydrolysis
Planta - Tập 205 - Trang 459-466 - 1998
Marcelo Desimone, Edgar Wagner, Udo Johanningmeier
Active oxygen (AO) species generated in plants under stress conditions trigger degradation of Rubisco (EC 4.1.1.39). To find out whether AO species activate proteases or make the protein susceptible to proteolysis, purified and 14C-labelled Rubisco protein was incubated with stromal preparations obtained from barley (Hordeum vulgare L.) leaves. The protein was degraded into distinct fragments onl...... hiện toàn bộ
Lokalisation der Peroxidase-Isoenzyme in Protoplasten und Zellwänden von Nicotiana tabacum L.
Planta - Tập 122 - Trang 259-268 - 1975
Michael Mäder, Yves Meyer, Martin Bopp
Upon disk-electrophoresis with guaiacol as a substrate the peroxidase-isoenzymes of Nicotiana tabacum (L.) were localized on the gels in two anodic and two cathodic groups. By preparation of protoplasts and isolation of cell walls it was possible to show that only cathodic enzymes are located in the protoplasts in measurable amounts, whereas all the isoenzymes, anodic and cathodic, can be found as...... hiện toàn bộ
Mutations associated with floral organ number in rice
Planta - Tập 198 - Trang 627-633 - 2017
Nobuhiro Nagasawa, Masahiro Miyoshi, Hidemi Kitano, Hikaru Satoh, Yasuo Nagato
How floral organ number is specified is an interesting subject and has been intensively studied in Arabidopsis thaliana. In rice (Oryza sativa L.), mutations associated with floral organ number have been identified. In three mutants of rice, floral organ number 1 (fon1) and the two alleles, floral organ number 2-1 (fon2-1) and floral organ number 2-2 (fon2-2), the floral organs were increased in n...... hiện toàn bộ
Glutamate dehydrogenase from Pisum sativum L.
Planta - Tập 148 - Trang 7-16 - 1980
Winfried Nauen, Thomas Hartmann
A 2–8-fold increase in the activity of glutamate dehydrogenase (GDH), accompanied by an alteration of the GDH isoenzyme pattern, was observed in detached pea shoots floated on tap water (preincubated shoots). Sugars supressed the process, whereas NH + 4 and various metabolites as well as inhibitors of energy metabolism and protein synthesis were ...... hiện toàn bộ
Brassica juncea HMG-CoA synthase: localization of mRNA and protein
Planta - Tập 221 Số 6 - Trang 844-856 - 2005
Dinesh A. Nagegowda, Sathishkumar Ramalingam, Andréa Hemmerlin, Thomas J. Bach, Mee‐Len Chye
Tổng số: 10,688   
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