The cereal starch endosperm development and its relationship with other endosperm tissues and embryo.

abstract：:Interactive effects of two heavy metal pollutants Cd and Pb in the growth medium were examined on their uptake, production of reactive oxygen species (ROS), induction of oxidative stress and antioxidative defence responses in Indica rice (Oryza sativa L.) seedlings. When rice seedlings in sand culture were exposed to ...

journal_title：Protoplasma

authors： Srivastava RK,Pandey P,Rajpoot R,Rani A,Dubey RS

更新日期：2014-09-01 00:00:00

abstract：:Frost resistance of sprouting Picea abies shoots is insufficient for survival of naturally occurring late frosts. The cellular changes during sprouting appeared to be responsible for frost damage as frost events that damaged sprouting shoots did not damage older needles and stems. Whilst resting buds showed initial fr...

journal_title：Protoplasma

authors： Neuner G,Beikircher B

更新日期：2010-07-01 00:00:00

abstract：:In this paper, we investigated whether nitric oxide (NO) participated in the regulation of the ascorbate-glutathione (AsA-GSH) cycle by exogenous jasmonic acid (JA) in the leaves of wheat seedlings under drought stress. The findings of our study showed that drought stress significantly enhanced the AsA-GSH cycle by up...

journal_title：Protoplasma

authors： Shan C,Zhou Y,Liu M

更新日期：2015-09-01 00:00:00

abstract：:Reactive carbonyl species methylglyoxal (MG) has always been regarded as a cytotoxic metabolite, but now is emerging to function as signal molecule in plants. However, whether MG can induce salt tolerance is elusive. In this study, treatment of wheat seeds with NaCl reduced seed germination, plant height, root length,...

journal_title：Protoplasma

authors： Li ZG,Duan XQ,Min X,Zhou ZH

更新日期：2017-09-01 00:00:00

abstract：:The effectiveness of 2,3-butanedione monoxime (BDM) as an inhibitor of plant myosins has been investigated. Three myosin-dependent motility phenomena in plants, namely cytoplasmic streaming in Chara corallina, light-dependent chloroplast repositioning in Elodea sp., and brefeldin A(BFA)-induced Golgi membrane dynamics...

journal_title：Protoplasma

authors： McCurdy DW

更新日期：1999-01-01 00:00:00

abstract：:The morphogenesis of galls occurs by the redifferentiation of cells that assume new functions in the modified host plant organs. The redifferentiated cells in the galls of Nothotrioza myrtoidis on Psidium myrtoides have low complexity metabolism and are photosynthesis-deficient. These galls were studied in search for ...

journal_title：Protoplasma

authors： Carneiro RG,Isaias RM

更新日期：2015-03-01 00:00:00

abstract：:Some species of Spirogyra form rosette-shaped or rod-shaped rhizoids in the terminal cell of the filaments. In the present study, we analyzed an involvement of microtubules (MTs) in rhizoid differentiation. Before rhizoid differentiation, cortical MTs were arranged transversely to the long axis of cylindrical cells, r...

journal_title：Protoplasma

authors： Yoshida K,Inoue N,Sonobe S,Shimmen T

更新日期：2003-06-01 00:00:00

abstract：:In the present study energy-filtering transmission electron microscopy by use of an in-column spectrometer is employed as a powerful tool for ultrastructural analysis of plant cells. Images of unstained very thin (50 nm) and thick (140 nm) sections of the unicellular green alga Micrasterias denticulata, as a model sys...

journal_title：Protoplasma

authors： Lütz-Meindl U,Aichinger N

更新日期：2004-06-01 00:00:00

abstract：:Single-molecule Förster resonance energy transfer (smFRET) has emerged as a powerful tool for elucidating biological structure and mechanisms on the molecular level. Here, we focus on applications of smFRET to study interactions between DNA and enzymes such as DNA and RNA polymerases. SmFRET, used as a nanoscopic rule...

journal_title：Protoplasma

authors： Farooq S,Fijen C,Hohlbein J

更新日期：2014-03-01 00:00:00

abstract：:Radial oxygen loss is a physical phenomenon that occurs naturally in aquatic plants. Typha domingensis was chosen as a model plant because it possesses basic morphological characteristics, such as a stem (rhizome) that produces leaves and adventitious roots, which are present in many aquatic plants. This study aimed t...

journal_title：Protoplasma

authors： Duarte VP,Pereira MP,Corrêa FF,de Castro EM,Pereira FJ

更新日期：2021-01-06 00:00:00

abstract：:Chlamydomonas acidophila LAFIC-004 is an acidophilic strain of green microalgae isolated from coal mining drainage. In the present work, this strain was cultivated in acidic medium (pH 3.6) under phototrophic, mixotrophic, and heterotrophic regimes to determine the best condition for growth and lipid production, simul...

journal_title：Protoplasma

authors： Souza LD,Simioni C,Bouzon ZL,Schneider RC,Gressler P,Miotto MC,Rossi MJ,Rörig LR

更新日期：2017-05-01 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 effects of β-amino butyric acid (BABA) on abiotic stress tolerance potential of three Vigna radiata varieties were studied. The reduction in the growth of seedlings subjected to NaCl/polyethylene glycol (PEG) stress is alleviated by BABA seed priming, which also enhanced photosynthetic pigment content and photosyn...

journal_title：Protoplasma

authors： Jisha KC,Puthur JT

更新日期：2016-03-01 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：:Approximately 20,000 mammalian genes are estimated to encode between 250 thousand and 1 million different proteins. This enormous diversity of the mammalian proteome is caused by the ability of a single-gene locus to encode multiple protein isoforms. Protein isoforms encoded by one gene locus can be functionally disti...

journal_title：Protoplasma

authors： Vacik T,Raska I

更新日期：2017-05-01 00:00:00

abstract：:Treatment of 14-day-old maize cultivars (Hybrid351 and Giza2) with 250 mM NaCl significantly reduced shoot fresh and dry weights and protein content during the subsequent 12 days. The magnitude of reduction was more pronounced in Giza than Hybrid. Both cultivars contained converging levels of protein for the enzymes p...

journal_title：Protoplasma

authors： Alla MM,Hassan NM

更新日期：2012-10-01 00:00:00

abstract：:Mastigonemes, tripartite tubular hairs on the anterior flagellum of Phytophthora zoospores, are instrumental for disease dissemination to new host plants. A previous study showed that PnMas2 was part of the tubular shaft of Phytophthora parasitica mastigonemes. In the current study, genes encoding two related proteins...

journal_title：Protoplasma

authors： Hee WY,Blackman LM,Hardham AR

更新日期：2019-03-01 00:00:00

abstract：:Abiotic stresses, such as drought and high salinity, are major factors that limit plant growth and productivity. Late embryogenesis abundant (LEA) proteins are members of a diverse, multigene family closely associated with tolerance to abiotic stresses in numerous organisms. We examined the function of SmLEA2, previou...

journal_title：Protoplasma

authors： Wang H,Wu Y,Yang X,Guo X,Cao X

更新日期：2017-03-01 00:00:00

abstract：:Along the past recent years, two-photon excitation (TPE) microscopy has moved from the realms of technical curiosity to be a standard application in many advanced cell biology laboratories. The growing body of literature covered in this review points out the obvious advantages of TPE over any other imaging method base...

journal_title：Protoplasma

authors： Feijó JA,Moreno N

更新日期：2004-03-01 00:00:00

abstract：:In the Cape Fynbos of South Africa, Psoralea pinnata (L.) plants occur naturally in both wetland and well-drained soils and yet effectively fix N2 under the two contrasting conditions. In this study, nodule structure and functioning in P. pinnata plants from the two habitats were evaluated using light and transmission...

journal_title：Protoplasma

authors： Kanu SA,Dakora FD

更新日期：2017-01-01 00:00:00

abstract：:Unconventional protein secretion (UPS) is a collective term for mechanisms by which cytosolic proteins that lack a signal peptide ("leaderless secretory proteins" (LSPs)) can gain access to the cell exterior. Numerous examples of UPS have been well documented in animal and yeast cells. In contrast, our understanding o...

journal_title：Protoplasma

authors： Robinson DG,Ding Y,Jiang L

更新日期：2016-01-01 00:00:00

abstract：:Autophagy is an important mechanism for recycling cell materials upon encountering stress conditions. Our previous studies had shown that TMV infection could lead to systemic PCD in the distal uninfected tissues, including root tip and shoot tip tissues. But it is not clear whether there is autophagy in the distal api...

journal_title：Protoplasma

authors： Zhou S,Hong Q,Li Y,Li Q,Li R,Zhang H,Wang M,Yuan X

更新日期：2018-01-01 00:00:00

abstract：:Proper mitochondrial morphogenesis is crucial for successful development of motile sperm. It was known that recessive Drosophila melanogaster mutation emm caused anomalies in the formation of a mitochondrial derivative--nebenkern and led to male sterility. Here we identified primary mutation effect and showed that emm...

journal_title：Protoplasma

authors： Dorogova NV,Bolobolova EU,Akhmetova KA,Fedorova SA

更新日期：2013-04-01 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：:Mechanisms of transport of secretory products across the Golgi apparatus (GA) as well as of scale formation in prymnesiophytes have remained controversial. We have used a quantitative morphological approach to study formation and transport of scales across the GA in haploid cells of Pleurochrysis sp. The GA of these c...

journal_title：Protoplasma

authors： Hawkins EK,Lee JJ

更新日期：2001-01-01 00:00:00

abstract：:Flagellar development in the plurilocular zoidangia of sporophytes of the brown alga Ectocarpus siliculosus was analyzed in detail using transmission electron microscopy and electron tomography. A series of cell divisions in the plurilocular zoidangia produced the spore-mother cells. In these cells, the centrioles dif...

journal_title：Protoplasma

authors： Fu G,Nagasato C,Ito T,Müller DG,Motomura T

更新日期：2013-02-01 00:00:00

abstract：:Salinity and drought are important abiotic stresses limiting plant growth and development. Late embryogenesis abundant (LEA) proteins are a group of proteins associated with tolerance to water-related stress. We previously cloned an LEA gene, SmLEA, from Salvia miltiorrhiza Bunge. Phylogenetic analysis indicated that ...

journal_title：Protoplasma

authors： Wu Y,Liu C,Kuang J,Ge Q,Zhang Y,Wang Z

更新日期：2014-09-01 00:00:00

abstract：:Cytoplasmic streaming is essential for intracellular communications but its specific functions are not well known. In Chara corallina internodes, long-distance interactions mediated by cyclosis are clearly evident with microscopy-pulse amplitude modulation (PAM) fluorometer under application of localized light (LL) pu...

journal_title：Protoplasma

authors： Bulychev AA,Komarova AV

更新日期：2017-01-01 00:00:00

abstract：:Marcetia taxifolia (A. St.-Hil.) DC. hosts two gall morphotypes, a pistil-shaped gall induced by a Cecidomyiidae (Diptera) and a fusiform stem gall induced by a Lepidoptera. The cytological study of these galls aimed to answer how the difference in nutritive tissues of Diptera and Lepidoptera galls could be explained ...

journal_title：Protoplasma

authors： Ferreira BG,Carneiro RG,Isaias RM

更新日期：2015-09-01 00:00:00

abstract：:In the grass snake (Natrix natrix), the newly developed somites form vesicles that are located on both sides of the neural tube. The walls of the vesicles are composed of tightly connected epithelial cells surrounding the cavity (the somitocoel). Also, in the newly formed somites, the Pax3 protein can be observed in t...

journal_title：Protoplasma

authors： Lewandowski D,Dubińska-Magiera M,Posyniak E,Rupik W,Daczewska M

更新日期：2017-07-01 00:00:00