Effect of mercury on pollen germination and tube growth in Lilium longiflorum.

abstract：:Ascochyta pisi is a necrotrophic pathogenic fungus, which mainly survives between seasons through infected seeds. Defence responses of pea embryo axes to A. pisi were investigated in the heterotrophic phase of seed germination and during the transition from the heterotrophic to the autotrophic phase. Germinated pea se...

journal_title：Protoplasma

authors： Morkunas I,Formela M,Marczak L,Stobiecki M,Bednarski W

更新日期：2013-02-01 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：: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：:The original version of this article unfortunately contains a mistake. ...

journal_title：Protoplasma

authors： Asada T

更新日期：2019-05-01 00:00:00

abstract：:Despite great efforts in tissue engineering of the ureter, urinary bladder, and urethra, further research is needed in order to improve the patient's quality of life and minimize the economic burden of different lower urinary tract disorders. The nanostructured titanium dioxide (TiO2) scaffolds have a wide range of cl...

journal_title：Protoplasma

authors： Imani R,Pazoki M,Zupančič D,Kreft ME,Kralj-Iglič V,Veranič P,Iglič A

更新日期：2016-11-01 00:00:00

abstract：:Fibrillarin and the plant nucleolin homolog NopA64 are two important nucleolar proteins involved in pre-rRNA processing. In order to determine the effects of the altered gravity environment on the nucleolus, we have investigated the location of fibrillarin and NopA64 in nucleolar subcomponents of cress (Lepidium sativ...

journal_title：Protoplasma

authors： Sobol M,Gonzalez-Camacho F,Rodríguez-Vilariño V,Kordyum E,Medina FJ

更新日期：2006-09-01 00:00:00

abstract：:While there is a number of studies on the effects of Rho GTPases on the actin-based cytoskeleton in higher eukaryotes, studies in protozoans are rather limited. The problem seems to be intriguing since the structure of protozoan cytoskeletons is distinct from most vertebrate cells. By blocking endogenous Rho family pr...

journal_title：Protoplasma

authors： Kłopocka W,Redowicz MJ

更新日期：2003-03-01 00:00:00

abstract：:Programmed cell death occurs in plants during several developmental processes and during the expression of resistance to pathogen attack (i.e., the hypersensitive response). An unsolved question of plant programmed cell death is whether a unique signaling pathway or different, possibly convergent pathways exist. This ...

journal_title：Protoplasma

authors： Malerba M,Cerana R,Crosti P

更新日期：2004-10-01 00:00:00

abstract：:Features of programmed cell death (PCD) and dynamic changes of starch accumulation in developing pericarp cells of wheat (Triticum aestivum L.) were observed and analyzed by periodic acid-Schiff/toluidine blue O double staining, fluorescence staining, terminal deoxynucleotidyl transferase-mediated fluorescein deoxyuri...

journal_title：Protoplasma

authors： Zhou Z,Wang L,Li J,Song X,Yang C

更新日期：2009-07-01 00:00:00

abstract：:In this study, we have shown the applicability of chloramphenicol acetyltransferase as a new and convenient selectable marker for stable nuclear transformation as well as potential chloroplast transformation of Cyanidioschyzon merolae-a new model organism, which offers unique opportunities for studding the mitochondri...

journal_title：Protoplasma

authors： Zienkiewicz M,Krupnik T,Drożak A,Golke A,Romanowska E

更新日期：2017-01-01 00:00:00

abstract：:Wheat contains the largest number of miR396 family with 17 miR396 in Poaceae. MiR396 regulatory network underlying wheat grain development has not comprehensively been explored. Our results showed that precursor miR396 family in Poaceae exhibited not only conservativeness but also diversification especially in wheat. ...

journal_title：Protoplasma

authors： Yu Y,Sun F,Chen N,Sun G,Wang CY,Wu DX

更新日期：2021-01-01 00:00:00

abstract：:We have analyzed the expression of key genes orchestrating tail regeneration in lizard under normal and scarring conditions after cauterization. At 1-day post-cauterization (1 dpc), the injured blastema contains degenerating epithelial and mesenchymal cells, numerous mast cells, and immune cells. At 3 and 7 dpc, a str...

journal_title：Protoplasma

authors： Degan M,Dalla Valle L,Alibardi L

更新日期：2021-01-01 00:00:00

abstract：:Pollen ontogeny in Pancratium maritimum L. was studied from the sporogenous cell to mature pollen grain stages using transmission electron, scanning electron, and light microscopy to determine whether the pollen development in P. maritimum follows the basic scheme in angiosperms or not. In the course of microsporogene...

journal_title：Protoplasma

authors： Tütüncü Konyar S

更新日期：2017-03-01 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：: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：:Dehydroleucodine is a sesquiterpene lactone recently isolated from aerial parts of a medicinal herb, Artemisia douglasiana Besser. We have previously shown that 25 and 100 microM dehydroleucodine slowed down onion root growth by 30 and 70%, respectively, affecting neither cell viability nor cell elongation. In the pre...

journal_title：Protoplasma

authors： López ME,Giordano OS,López LA

更新日期：2002-02-01 00:00:00

abstract：:We discuss models for production of tubulin flux in kinetochore microtubules. Current models concentrate solely on microtubules and their associated motors and enzymes. For example, in some models the driving force for flux is enzymes at the poles and the kinetochores; in others the driving force is motor molecules th...

journal_title：Protoplasma

authors： Forer A,Pickett-Heaps JD,Spurck T

更新日期：2008-01-01 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：:1. Cells of Schizosaccharomyces pombe from the stationary growth phase show only a low capacity for the uptake of xanthine. In the presence of 2 muM xanthine, the initial uptake rate is found in the range of 6-10- minus 21 Moles times Cells- minus 1 times Min- minus 1 at 30 degrees C. 2. Preincubation in glucose solut...

journal_title：Protoplasma

authors： Seipel S,Reichert U

更新日期：1975-01-01 00:00:00

abstract：:This micromorphological, chemical and ultrastructural study is a continuation of research conducted on the section Lepidorhiza. The Bulbophyllum echinolabium flowers comprised features that characterize a sapromyophilous syndrome, having large, glistening parts that emit an intense scent of rotten meat. The secretory ...

journal_title：Protoplasma

authors： Wiśniewska N,Lipińska MM,Gołębiowski M,Kowalkowska AK

更新日期：2019-09-01 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 classification of order Nostocales (Cyanobacteria) and inter relationships of morphologically similar taxa is still debatable due to ever changing morphological features. No attempt has been made to improve the morphological taxonomy despite the fact that it is the morphology that represents the totality of genes....

journal_title：Protoplasma

authors： Mishra S,Bhargava P,Adhikary SP,Pradeep A,Rai LC

更新日期：2015-01-01 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：:Understanding the mechanisms that microbes exploit to invade host cells and cause disease is crucial if we are to eliminate their threat. Although pathogens use a variety of microbial factors to trigger entry into non-phagocytic cells, their targeting of the host cell process of endocytosis has emerged as a common the...

journal_title：Protoplasma

authors： Lin AE,Guttman JA

更新日期：2010-08-01 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：:Cell polarity, the asymmetric organization of cellular components along one or multiple axes, is present in most cells. From budding yeast cell polarization induced by pheromone signaling, oocyte polarization at fertilization to polarized epithelia and neuronal cells in multicellular organisms, similar mechanisms are ...

journal_title：Protoplasma

authors： Mazel T

更新日期：2017-05-01 00:00:00

abstract：:The inflorescence of Hedychium coccineum Smith is thyrse, and the primary bracts are initiated in a spiral phyllotactic pattern on the sides of the inflorescence dome. Cincinnus primordia are initiated on the flank of the inflorescence apex, in the axils of primary bracts. This primordium subsequently develops a bract...

journal_title：Protoplasma

authors： Kong JJ,Xia YM,Li QJ

更新日期：2010-11-01 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：:Narcissus tazetta is one of the major geophyte crops worldwide, but little is known about its cell biology. The narcissus storage organ was studied by monitoring scale cell biology during the growth stage and dormancy, and it was found that amyloplasts gradually increased in size and reached a maximum at dormancy. In ...

journal_title：Protoplasma

authors： Zaffryar S,Zimerman B,Abu-Abied M,Belausov E,Lurya G,Vainstein A,Kamenetsky R,Sadot E

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