The density of apical cells of dark-grown protonemata of the moss Ceratodon purpureus.

abstract：:Withanolide is one of the most extensively exploited steroidal lactones, which are biosynthesized in Withania somnifera. Its production from cell suspension culture was analyzed to defeat limitations coupled with its regular supply from the plant organs. In order to optimize the different factors for sustainable produ...

journal_title：Protoplasma

authors： Sivanandhan G,Kapil Dev G,Jeyaraj M,Rajesh M,Muthuselvam M,Selvaraj N,Manickavasagam M,Ganapathi A

更新日期：2013-08-01 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：: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：: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：:The osmotic potential and effects of plasmolysis were investigated in two different Klebsormidium strains from alpine habitats by incubation in 300-2,000 (3,000) mM sorbitol. Several members of this genus were previously found to tolerate desiccation in the vegetative state yet information was lacking on the osmotic p...

journal_title：Protoplasma

authors： Kaplan F,Lewis LA,Wastian J,Holzinger A

更新日期：2012-07-01 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：:The dinoflagellate Crypthecodinium cohnii Biecheler propagates by both binary and multiple fission. By a newly developed mutagenesis protocol based on using ethyl methanesulfonate and a cell size screening method, a cell cycle mutant, mf2, was isolated with giant cells which predominantly divide by multiple fission. T...

journal_title：Protoplasma

authors： Lam CM,Chong C,Wong JT

更新日期：2001-01-01 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：: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：:The differentiation of the corneous layers of lizard epidermis has been analyzed by ultrastructural immunocytochemistry using specific antibodies against alpha-keratins and keratin associated beta-proteins (KAbetaPs, formerly indicated as beta-keratins). Both beta-cells and alpha-cells of the corneous layer derive fro...

journal_title：Protoplasma

authors： Alibardi L

更新日期：2014-07-01 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：: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：:The paper reports studies, including histological and ultrastructural analyses, of in vitro cell proliferation and development of immature endosperm tissue isolated from caryopses of Triticum aestivum, Triticum durum, and Triticosecale plants. Endosperm isolated at 7-10 days post-anthesis developed well on MS medium s...

journal_title：Protoplasma

authors： Popielarska-Konieczna M,Kozieradzka-Kiszkurno M,Tuleja M,Ślesak H,Kapusta P,Marcińska I,Bohdanowicz J

更新日期：2013-02-01 00:00:00

abstract：:In order to corroborate the hypothesis that variations in the rate of spontaneous ultra-weak photon emission (UPE) from germinating seedlings are related to local variations of the lunisolar tidal force, a series of simultaneous tests was performed using the time courses of UPE collected from three plant species-corn,...

journal_title：Protoplasma

authors： Gallep CM,Barlow PW,Burgos RC,van Wijk EP

更新日期：2017-01-01 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：:Fruit shape and ripening are major horticultural traits for many fruits and vegetable crops. Changes in fruit shape and ripening are often accomplished by altered cell division or cell expansion patterns. Gibberellic acids (GAs) are essential for tomato fruit development; however, the exact role and the underlying mec...

journal_title：Protoplasma

authors： Chen S,Wang XJ,Tan GF,Zhou WQ,Wang GL

更新日期：2020-05-01 00:00:00

abstract：:The directional elongation of root hairs, "tip growth", depends on the coordinated and highly regulated trafficking of vesicles which fill the tip cytoplasm and are active in secretion of cell wall material. So far, little is known about the dynamics of endocytosis in living root hairs. We analyzed the motile behaviou...

journal_title：Protoplasma

authors： Ovecka M,Lang I,Baluska F,Ismail A,Illes P,Lichtscheidl IK

更新日期：2005-10-01 00:00:00

abstract：:In this paper, two transgenic wheat lines, PC27 and PC51, containing the maize PEPC gene and its wild-type (WT) were used as experimental material to study the effects of high temperature on their photosynthetic physiological characteristics and metabolome. The results showed that transgenic wheat lines had higher pho...

journal_title：Protoplasma

authors： Qi X,Xu W,Zhang J,Guo R,Zhao M,Hu L,Wang H,Dong H,Li Y

更新日期：2017-03-01 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：:The purpose of the main research was to investigate the effects of methyl jasmonate (MeJA) (0.05, 0.25, 0.5, and 2.5 mM) on the pollen germination and tube elongation of Pinus nigra. Total pollen germination rate increased after MeJA treatments while the most enhancement was observed at 0.05-mM MeJA. No germination wa...

journal_title：Protoplasma

authors： Çetinbaş-Genç A,Vardar F

更新日期：2020-11-01 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：: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：:Comparative biochemical characterization of class III peroxidase activity tightly bound to the cell walls of maize roots was performed. Ionically bound proteins were solubilized from isolated walls by salt washing, and the remaining covalently bound peroxidases were released, either by enzymatic digestion or by a nove...

journal_title：Protoplasma

authors： Hadži-Tašković Šukalović V,Vuletić M,Marković K,Cvetić Antić T,Vučinić Ž

更新日期：2015-01-01 00:00:00

abstract：:In the genus Genlisea as well as in its sister genus Utricularia, the palate probably plays a key role in providing the colour, mechanical and olfactory stimuli to attract insect pollinators and to guide them to the generative structures and the nectary spur. However, information about the micro-morphology of the pala...

journal_title：Protoplasma

authors： Płachno BJ,Świątek P,Stpiczyńska M,Miranda VFO

更新日期：2018-07-01 00:00:00

abstract：:Salinity is the major environmental constraint that affects legume productivity by inducing oxidative stress. Individually, both silicon (Si) nutrition and mycorrhization have been reported to alleviate salt stress. However, the mechanisms adopted by both in mediating stress responses are poorly understood. Thus, pot ...

journal_title：Protoplasma

authors： Garg N,Bhandari P

更新日期：2016-09-01 00:00:00

abstract：:The effects of arsenite treatment on generation of reactive oxygen species, induction of oxidative stress, response of antioxidative system, and synthesis of phytochelatins were investigated in two indica rice (Oryza sativa L.) cvs. Malviya-36 and Pant-12 grown in sand cultures for a period of 5-20 days. Arsenite (As(...

journal_title：Protoplasma

authors： Mishra S,Jha AB,Dubey RS

更新日期：2011-07-01 00:00:00

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：:Salinity is a major stress that adversely affects plant growth and crop production. Understanding the cellular responses and molecular mechanisms by which plants perceive and adopt salinity stress is of fundamental importance. In this work, some of the cellular signaling events including cell death, reactive oxygen sp...

journal_title：Protoplasma

authors： Li Z,Yang H,Wu X,Guo K,Li J

更新日期：2015-05-01 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：: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