Arsenite treatment induces oxidative stress, upregulates antioxidant system, and causes phytochelatin synthesis in rice seedlings.

abstract：:This paper reports an efficient protoplast culture technique, the "extra thin alginate film" technique. The development of this improved method of protoplast culture was an outcome of an assessment of the efficiency and shortcomings of various protoplast culture techniques. The efficiency of this technique was evaluat...

journal_title：Protoplasma

authors： Pati PK,Sharma M,Ahuja PS

更新日期：2005-12-01 00:00:00

abstract：:Hemp (Cannabis sativa L., 2n = 20) is a dioecious plant. Sex expression is controlled by an X-to-autosome balance system consisting of the heteromorphic sex chromosomes XY for males and XX for females. Genetically monoecious hemp offers several agronomic advantages compared to the dioecious cultivars that are widely u...

journal_title：Protoplasma

authors： Razumova OV,Alexandrov OS,Divashuk MG,Sukhorada TI,Karlov GI

更新日期：2016-05-01 00:00:00

abstract：:Agrobacterium-mediated transformation of chickpea (Cicer arietinum L.) has been performed using cotyledonary node explants (CNs), which release phenolics upon excision that are detrimental to the viability of Agrobacterium tumefaciens and result in low transformation frequency. Twelve low molecular weight phenolic com...

journal_title：Protoplasma

authors： Yadav R,Mehrotra M,Singh AK,Niranjan A,Singh R,Sanyal I,Lehri A,Pande V,Amla DV

更新日期：2017-01-01 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：:Abiotic stresses, especially salinity and drought, are major limiting factors for plant growth and crop productivity. In an attempt to develop salt and drought tolerant tomato, a DNA cassette containing tobacco osmotin gene driven by a cauliflower mosaic virus 35S promoter was transferred to tomato (Solanum lycopersic...

journal_title：Protoplasma

authors： Goel D,Singh AK,Yadav V,Babbar SB,Bansal KC

更新日期：2010-09-01 00:00:00

abstract：:To investigate the relationship between nuclear factor Y (NF-Y) and stress tolerance in garlic, we cloned a NF-Y family gene AsNF-YC8 from garlic, which was largely upregulated at dehydrate stage. Expression pattern analyses in garlic revealed that AsNF-YC8 is induced through abscisic acid (ABA) and abiotic stresses, ...

journal_title：Protoplasma

authors： Sun X,Lian H,Liu X,Zhou S,Liu S

更新日期：2017-05-01 00:00:00

abstract：:Transmission electron microscopy of immunogold-labeled Chinese pine egg cells before and after fertilization revealed that polysomes are associated with microtubules (MTs) from fertilization to the 2-nucleate embryo stage. Ribosome aggregates of various size and shape were randomly distributed in the cytoplasm of the ...

journal_title：Protoplasma

authors： Han Y,Yu J,Guo F,Watkins SC

更新日期：2006-05-01 00:00:00

abstract：:Tradescantia virginiana leaf epidermal cells were plasmolysed by sequential treatment with 0.8 M and 0.3 M sucrose. Plasmolysis revealed adhesion of the plasma membrane to the cell wall at sites coinciding with cytoskeletal arrays involved in the polarisation of cells undergoing asymmetric divisions--cortical actin pa...

journal_title：Protoplasma

authors： Cleary AL

更新日期：2001-01-01 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：:The plant root tip represents a fascinating model system for studying changes in Golgi stack architecture associated with the developmental progression of meristematic cells to gravity sensing columella cells, and finally to "young" and "old", polysaccharide-slime secreting peripheral cells. To this end we have used ...

journal_title：Protoplasma

authors： Staehelin LA,Giddings TH Jr,Kiss JZ,Sack FD

更新日期：1990-01-01 00:00:00

abstract：:The present study investigated the impact of 1800-MHz electromagnetic field radiations (EMF-r), widely used in mobile communication, on the growth and activity of starch-, sucrose-, and phosphate-hydrolyzing enzymes in Zea mays seedlings. We exposed Z. mays to modulated continuous wave homogenous EMF-r at specific abs...

journal_title：Protoplasma

authors： Kumar A,Singh HP,Batish DR,Kaur S,Kohli RK

更新日期：2016-07-01 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：: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：:Using higher-resolution wide-field computational optical-sectioning fluorescence microscopy, the distribution of antigens recognized by antibodies against animal beta 1 integrin, fibronectin, and vitronectin has been visualized at the outer surface of enzymatically protoplasted onion epidermis cells and in depectinate...

journal_title：Protoplasma

authors： Gens JS,Reuzeau C,Doolittle KW,McNally JG,Pickard BG

更新日期：1996-01-01 00:00:00

abstract：:The larvae of Bittacidae, a cosmopolitan family in Mecoptera, have an interesting habit of spraying the body surface with soil through the anus after hatching, and each molts. The fine structure of Malpighian tubules, however, remains largely unknown in the larvae of Bittacidae to date. Here, we studied the ultrastruc...

journal_title：Protoplasma

authors： Liu L,Hua BZ

更新日期：2018-07-01 00:00:00

abstract：:The present study reports the Agrobacterium rhizogenes-mediated hairy root induction in of an ethno-medicinally significant herb-Boerhaavia diffusa L., for elucidating the underlying competence regarding its biosynthetic (i.e. boeravinone B and eupalitin) and bioactivity (antibacterial, antioxidant and anti-inflammato...

journal_title：Protoplasma

authors： Gupta R,Pandey P,Singh S,Singh DK,Saxena A,Luqman S,Bawankule DU,Banerjee S

更新日期：2016-07-01 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 extent to which the actomyosin motor responsible for cytoplasmic streaming contributes to the translational diffusion of water in Elodea canadensis cells was studied by a nuclear magnetic resonance (NMR) spin-echo technique. The relative contribution of the actomyosin motor was determined from the corresponding ap...

journal_title：Protoplasma

authors： Vorob'ev VN,Anisimov AV,Dautova NR

更新日期：2004-12-01 00:00:00

abstract：:Nematocysts are the taxon-defining features of all cnidarians including jellyfish, sea anemones, and corals. They are highly sophisticated organelles used for the capture of prey and defense. The nematocyst capsule is produced within a giant post-Golgi vesicle, which is continuously fed by proteins from the secretory ...

journal_title：Protoplasma

authors： Ozbek S

更新日期：2011-10-01 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：:This article deals with the distribution of callose and of the homogalacturonan (HG) epitopes recognized by LM20, JIM5, and 2F4 antibodies in cell walls of differentiating and functioning stomatal complexes of the monocotyledon Zea mays and the dicotyledon Vigna sinensis. The findings revealed that, during stomatal de...

journal_title：Protoplasma

authors： Giannoutsou E,Sotiriou P,Nikolakopoulou TL,Galatis B,Apostolakos P

更新日期：2020-01-01 00:00:00

abstract：:Latex is a complex plant secretion with both ecological and economic importance. There is little information currently available on the cytological aspects of the ontogenesis of anastomosed laticifers, the ducts originating through the lysis of adjacent cell walls. Hancornia speciosa is a tree typical of the Cerrado (...

journal_title：Protoplasma

authors： Gonçalves MP,Mercadante-Simões MO,Ribeiro LM

更新日期：2018-11-01 00:00:00

abstract：:Plant development is regulated by numerous chemicals derived from a multitude of metabolic pathways. However, we know very little about the biological effects and functions of many of these metabolites in the cell. N-Acylethanolamines (NAEs) are a group of lipid mediators that play important roles in mammalian physiol...

journal_title：Protoplasma

authors： Motes CM,Pechter P,Yoo CM,Wang YS,Chapman KD,Blancaflor EB

更新日期：2005-12-01 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 structure of the digestive gland epithelium of a terrestrial isopod Porcellio scaber has been investigated by conventional scanning electron microscopy (SEM), focused ion beam-scanning electron microscopy (FIB/SEM), and light microscopy in order to provide evidence on morphology of the gland epithelial surface in ...

journal_title：Protoplasma

authors： Millaku A,Leser V,Drobne D,Godec M,Torkar M,Jenko M,Milani M,Tatti F

更新日期：2010-05-01 00:00:00

abstract：:Vicia barbazitae, a taxon belonging to section Vicia of subgenus Vicia, was recovered and analysed by cytological, karyological and molecular methods with the aim of both proposing a general characterisation of this species and studying the relationships among the species of section Vicia . Phy...

journal_title：Protoplasma

authors： Ruffini Castiglione M,Frediani M,Gelati MT,Venora G,Giorgetti L,Caputo P,Cremonini R

更新日期：2012-07-01 00:00:00

abstract：:Lemna species are reported to accumulate a variety of metals from contaminated/polluted sites. Cadmium is a nonessential element for plant metabolism. In this work, we aimed to investigate physiological responses to low doses of cadmium (up to 100 microM). From exposure to the lowest Cd concentration (1 microM) to the...

journal_title：Protoplasma

authors： Malec P,Maleva MG,Prasad MN,Strzałka K

更新日期：2010-04-01 00:00:00

abstract：:The small GTPase CDC42 is ubiquitously expressed in eukaryotes, where it participates in the regulation of the cytoskeleton and a wide range of cellular processes, including cytokinesis, gene expression, cell cycle progression, apoptosis, and tumorigenesis. As very little is known on the molecular level about mycorrhi...

journal_title：Protoplasma

authors： Menotta M,Amicucci A,Basili G,Rivero F,Polidori E,Sisti D,Stocchi V

更新日期：2007-01-01 00:00:00

abstract：:HLA-B associated transcript 1 (BAT1) protein, also named as spliceosome RNA helicase UAP56, is a member of the DExD/H-box family of helicases. However, regulation under stress, biochemical properties, and functions of plant homologue of BAT1 are poorly understood. Here, we report the purification and detailed biochemi...

journal_title：Protoplasma

authors： Tuteja N,Tarique M,Trivedi DK,Sahoo RK,Tuteja R

更新日期：2015-11-01 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