Distribution and function of epistomatal mucilage plugs.

abstract：:Despite their great economic importance, relatively little is known about bamboo sexual reproduction because they usually spread through rhizomes and have long intervals between flowering periods. Bambusa tuldoides is no exception; the intervals between flowering periods are about 23 years and often do not result in s...

journal_title：Protoplasma

authors： de Souza PF,Dos Santos CMR,Ree J,Guerra MP,Pescador R

更新日期：2020-05-01 00:00:00

abstract：:Developing flowers are important sinks in Arabidopsis thaliana. Their energy demand is covered by assimilates which are synthesized in source leaves and transported via the vasculature. Assimilates are unloaded either symplastically through plasmodesmata or apoplastically by specific transport proteins. Here we studie...

journal_title：Protoplasma

authors： Werner D,Gerlitz N,Stadler R

更新日期：2011-01-01 00:00:00

abstract：:As the by-products of edible oil production with rich lignin, the reserves of Camellia oleifera shell were abundant and had a great economic value. Lignin was the most important limiting factor during the conversion of plant biomass to pulp or biofuels, which mainly deposited in the stone cells of C. oleifera shells. ...

journal_title：Protoplasma

authors： Wang Q,Hu J,Yang T,Chang S

更新日期：2020-10-26 00:00:00

abstract：:The histochemical studies that search for osmophores differ in the protocol they follow for fixation and discoloration of the samples, and also in the type and number of stains utilized. Despite these differences, all the studies have one point in common: the use of fresh material either collected directly in the fiel...

journal_title：Protoplasma

authors： Hernández MP,Katinas L

更新日期：2019-11-01 00:00:00

abstract：:Here, we describe the development of chloroplasts and the buildup of the thylakoid membranes in growing Arabidopsis leaves. Organelles were analyzed from three distinct positions, namely, at the tip, the upper leaf margin, and the base from leaves 1, 3, 5, and 7 of 14-day-old plants. Clear developmental gradients are ...

journal_title：Protoplasma

authors： Gügel IL,Soll J

更新日期：2017-09-01 00:00:00

abstract：:The mature apomictic embryo sac of Chondrilla juncea is highly vacuolated and demonstrates a polarization similar to that of the amphimictic gametophyte. The microtubule cytoskeleton of this embryo sac is uncharacteristic and relatively weak. The microtubules are positioned along cell walls and resemble cortical micro...

journal_title：Protoplasma

authors： Kościńska-Pajak M,Bednara J

更新日期：2006-05-01 00:00:00

abstract：:In the present investigation, we have used adenosine triphosphatase (ATPase) activity as biochemical test of toxic action of lindane that was explained by lipid peroxidation model. Study was also undertaken to ascertain the potential protective role of alpha-lipoic acid (ALA) and vitamin E on the same parameters. High...

journal_title：Protoplasma

authors： Bist R,Misra S,Bhatt DK

更新日期：2010-06-01 00:00:00

abstract：:The LIM domain is an evolutionary conserved double-zinc finger motif found in a variety of proteins exhibiting diverse biological roles. LIM domains have been observed to act as modular protein-binding interfaces mediating protein-protein interactions in the cytoplasm and the nucleus. Interaction of LIM domains with s...

journal_title：Protoplasma

authors： Khurana T,Khurana B,Noegel AA

更新日期：2002-02-01 00:00:00

abstract：:Through reverse transcription-polymerase chain reaction and Northern blot analysis, we identified TBK5, a novel plant-specific kinesin-like protein (KLP) that is highly expressed in interphase tobacco BY-2 cells. TBK5 mRNA was present at a high level throughout the growth cycle, even in cells that had entered the stat...

journal_title：Protoplasma

authors： Matsui K,Collings D,Asada T

更新日期：2001-01-01 00:00:00

abstract：:Cytomixis is a poorly studied process of nuclear migration between plant cells, discovered in microsporogenesis of several hundreds of plant species. The chromosomes that migrate between tobacco microsporocytes have been for the first time identified using fluorescence in situ hybridization (FISH), and the question wh...

journal_title：Protoplasma

authors： Mursalimov S,Deineko E

更新日期：2017-05-01 00:00:00

abstract：:Kinesin superfamily proteins are important microtubule-based motor proteins with a kinesin motor domain that is conserved among all eukaryotic organisms. They are responsible for unidirectionally transporting various cargoes, including membranous organelles, protein complexes, and mRNAs. They also play critical roles ...

journal_title：Protoplasma

authors： Li J,Xu Y,Chong K

更新日期：2012-06-01 00:00:00

abstract：:In this study, the filamentous green alga Zygogonium ericetorum (Zygnematales, Chlorophyta), collected at its natural habitat in the high alps, was investigated by light, scanning, and transmission electron microscopy. The field samples were separated into a moist fraction when wetted by splattering water of a nearby ...

journal_title：Protoplasma

authors： Holzinger A,Tschaikner A,Remias D

更新日期：2010-07-01 00:00:00

abstract：:ALTERED MERISTEM PROGRAM 1 (AMP1) encodes a putative glutamate-carboxypeptidase important for plant growth and development. In this study, by comparing the growth of Arabidopsis wild-type, amp1-10 and amp1-13 mutants, and AMP1-GFP/OX2- and AMP1-GFP/OX7-overexpressing seedlings in vitro and in soil, we uncover the role...

journal_title：Protoplasma

authors： López-García CM,Ruíz-Herrera LF,López-Bucio JS,Huerta-Venegas PI,Peña-Uribe CA,de la Cruz HR,López-Bucio J

更新日期：2020-03-01 00:00:00

abstract：:The detergent Brij 58 has been introduced to reverse plasma membrane (PM) vesicles from the right-side-out to the inside-out form. The aim of the present work was to investigate the effect of Brij 58 on the formation of an ATP-dependent proton gradient and on the fluidity of the lipid phase of PM vesicles. PMs of corn...

journal_title：Protoplasma

authors： Behzadipour M,Kluge M,Lüthje S

更新日期：2001-01-01 00:00:00

abstract：:According to the Cholodny-Went hypothesis, gravitropic differential growth is brought about by the redistribution of auxin (indolyl-3-acetic acid, IAA). We reinvestigated the relevance of different auxins and studied the role of ethylene in hypocotyls of sunflower and shoots and roots of rye and maize seedlings. Incub...

journal_title：Protoplasma

authors： Edelmann HG,Roth U

更新日期：2006-12-01 00:00:00

abstract：:Lichen secondary metabolites can function as allelochemicals and affect the development and growth of neighboring bryophytes, fungi, vascular plants, microorganisms, and even other lichens. Lichen overgrowth on bryophytes is frequently observed in nature even though mosses grow faster than lichens, but there is still ...

journal_title：Protoplasma

authors： Goga M,Antreich SJ,Bačkor M,Weckwerth W,Lang I

更新日期：2017-05-01 00:00:00

abstract：:Brachypodium distachyon has emerged as a model plant for the improvement of grain crops such as wheat, barley and oats and for understanding basic biological processes to facilitate the development of grasses as superior energy crops. Brachypodium is also the first species of the grass subfamily Pooideae with a sequen...

journal_title：Protoplasma

authors： Sharma A,Singh MB,Bhalla PL

更新日期：2015-03-01 00:00:00

abstract：:Iron (Fe) toxicity is one of the major abiotic stresses which limits the yield of lowland rice. This study aims to investigate the physiological, biochemical, and molecular aspects of two contrasting aromatic Joha rice, viz., Keteki and Kola Joha of Assam. Oxidative damage caused due to Fe2+ toxicity was quantitativel...

journal_title：Protoplasma

authors： Regon P,Dey S,Chowardhara B,Saha B,Kar S,Tanti B,Panda SK

更新日期：2020-10-17 00:00:00

abstract：:The terrestrial carnivorous species Utricularia dichotoma is known for a great phenotypic plasticity and unusual vegetative organs. Our investigation on 22 sources/populations revealed that after initiation of a leaf and two bladders on a stolon, a bud was formed in the proximal axil of the leaf, developing into a ros...

journal_title：Protoplasma

authors： Reut MS,Płachno BJ

更新日期：2020-03-01 00:00:00

abstract：:It is well established that cytoplasmic microtubules are depolymerized during nuclear division and reassembled as mitotic microtubules. Mounting evidence showing that cytoplasmic microtubules were also involved in apical growth of fungal hyphae posed the question of whether apical growth became disrupted during nuclea...

journal_title：Protoplasma

authors： Riquelme M,Fischer R,Bartnicki-García S

更新日期：2003-01-01 00:00:00

abstract：:The structural changes occurred in differentiating olive cotyledon cells into mesophyll cells are described. Using histological and immunocytological methods as well as microscopic observations, we showed that in the cells of mature embryo, large electron-dense proteins bodies (PBs) are surrounded by numerous oil bodi...

journal_title：Protoplasma

authors： Zienkiewicz A,Jiménez-López JC,Zienkiewicz K,de Dios Alché J,Rodríguez-García MI

更新日期：2011-10-01 00:00:00

abstract：:The distribution and development of secretory cells and crystal cells in young shoot apexes of water hyacinth were investigated through morphological and cytological analysis. The density of secretory cells and crystal cells were high in parenchyma tissues around the vascular bundles of shoot apexes. Three development...

journal_title：Protoplasma

authors： Xu GX,Tan C,Wei XJ,Gao XY,Zheng HQ

更新日期：2011-04-01 00:00:00

abstract：:During the past decade, there has been a paradigm shift in our understanding of the roles of intracellular lipid droplets (LDs). New genetic, biochemical and imaging technologies have underpinned these advances, which are revealing much new information about these dynamic organelles. This review takes a comparative ap...

journal_title：Protoplasma

authors： Murphy DJ

更新日期：2012-07-01 00:00:00

abstract：:The cryptomonad nucleomorph is a vestigial nucleus of a eukaryotic red alga engulfed by a phagotrophic protist and retained as a photosynthetic endosymbiont. This review recounts the initial discovery and subsequent characterisation of the cryptomonad nucleomorph focusing on the key role of Peter Sitte and his protégé...

journal_title：Protoplasma

authors： McFadden GI

更新日期：2017-09-01 00:00:00

abstract：:The mitotic chromosome structure of 45S rDNA site gaps in Lolium perenne was studied by atomic force microscope (AFM) combining with fluorescence in situ hybridization (FISH) analysis in the present study. FISH on the mitotic chromosomes showed that 45S rDNA gaps were completely broken or local despiralizations of the...

journal_title：Protoplasma

authors： Huang J,Ma L,Sundararajan S,Fei SZ,Li L

更新日期：2009-07-01 00:00:00

abstract：:We have shown previously that the durum wheat TdSOS1 excludes Na+ and Li+ ions outside cells. Moreover, this protein is activated by Arabidopsis kinase SOS2 through phosphorylation. The elimination of both SOS2 phosphorylation sites and the auto-inhibitory domain produces a hyperactive TdSOS1∆972 form, which have a ma...

journal_title：Protoplasma

authors： Feki K,Tounsi S,Masmoudi K,Brini F

更新日期：2017-07-01 00:00:00

abstract：:Podophyllum hexandrum Royle is known for its vast medicinal properties, particularly anticancer. It contains higher amount of podophyllotoxin (4.3 %), compared to Podophyllum peltatum (0.025 %) and other plant species; as a result, it has been used worldwide in the preparation of various drugs including anticancer, an...

journal_title：Protoplasma

authors： Kumar P,Pal T,Sharma N,Kumar V,Sood H,Chauhan RS

更新日期：2015-09-01 00:00:00

abstract：:Phenolics are involved in many of plants' biological functions. In particular, they play important roles in determining the quality of grape berries and the wine made from them, and can also act as antioxidants with beneficial effects for human health. Several enzymes are involved in the synthesis of phenolic compound...

journal_title：Protoplasma

authors： Molero de Ávila ME,Alarcón MV,Uriarte D,Mancha LA,Moreno D,Francisco-Morcillo J

更新日期：2019-01-01 00:00:00

abstract：:In this study, we surveyed the bacteriome-associated microbiota of the corn leafhopper Dalbulus maidis by means of histological, ultrastructural, and molecular analyses. Amplification and sequencing of 16S rDNA genes revealed that the endosymbiont "Candidatus Sulcia muelleri" (Phylum Bacteroidetes) resides in bacterio...

journal_title：Protoplasma

authors： Brentassi ME,Franco E,Balatti P,Medina R,Bernabei F,Marino de Remes Lenicov AM

更新日期：2017-05-01 00:00:00

abstract：:Determinations of plant or algal cell density (cell mass divided by volume) have rarely accounted for the extracellular matrix or shrinkage during isolation. Three techniques were used to indirectly estimate the density of intact apical cells from protonemata of the moss Ceratodon purpureus. First, the volume fraction...

journal_title：Protoplasma

authors： Schwuchow JM,Kern VD,Wagner T,Sack FD

更新日期：2000-01-01 00:00:00