解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
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
pub_type: 杂志文章
doi:10.1007/s00709-017-1125-9
更新日期:2018-01-01 00:00:00
abstract::By a detailed ontogenetic study of Polemonium caeruleum pollen, tracing each stage of development at high TEM resolution, we aim to understand the establishment of the pollen wall and to unravel the mechanisms underlying sporoderm development. The main steps of exine ontogeny in Polemonium caeruleum, observed in the m...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1121-0
更新日期:2018-01-01 00:00:00
abstract::The present investigation analyzes the in vitro P solubilization [Ca-P, Al-P, Fe(II)-P, and Fe(III)-P] efficiency of native PSB strains from acid soils of Odisha and exploitation of the same through biofertilization in peanut (Arachis hypogaea L.) growth and P acquisition. One hundred six numbers of soil samples with ...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1112-1
更新日期:2017-11-01 00:00:00
abstract::With the goal of evaluating the factors that may be influencing the reproductive success of an endangered, terrestrial orchid Cypripedium japonicum Thunb., the anatomical and morphological characteristics of seed development were assessed, as were the levels of endogenous hormones to investigate the possible relations...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1128-6
更新日期:2017-11-01 00:00:00
abstract::Intestinal ischemia and reperfusion (I/R) causes cellular and tissue damage to the intestine and remote organs such as the liver. Increased production of ROS and nitric oxide and dysregulation of cytoprotective enzymes may be involved in intestinal I/R. The aim was to evaluate the protective effects of glutamine on th...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1102-3
更新日期:2017-11-01 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
pub_type: 杂志文章
doi:10.1007/s00709-017-1153-5
更新日期:2017-09-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1057-9
更新日期:2017-09-01 00:00:00
abstract::The wild grass species Brachypodium distachyon (L.) has been proposed as a new model for temperate grasses. Among the biotechnological tools already developed for the species, an efficient induction protocol of somatic embryogenesis (SE) using immature zygotic embryos has provided the basis for genetic transformation ...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1089-9
更新日期:2017-09-01 00:00:00
abstract::DNA and machinery for gene expression have been discovered in chloroplasts during the 1960s. It was soon evident that the chloroplast genome is relatively small, that most genes for chloroplast-localized proteins reside in the nucleus and that chloroplast membranes, ribosomes, and protein complexes are composed of pro...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1104-1
更新日期:2017-09-01 00:00:00
abstract::Present communication reports laboratory and pot experiments conducted to study the influence of water and osmotic stress on nitrogen uptake and metabolism in two wheat (Triticum aestivum L) cultivars with and without potassium supplementation. Polyethylene glycol 6000-induced osmotic stress/restricted irrigation caus...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-017-1086-z
更新日期:2017-09-01 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
pub_type: 杂志文章
doi:10.1007/s00709-017-1094-z
更新日期:2017-09-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1066-8
更新日期:2017-07-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1040-5
更新日期:2017-07-01 00:00:00
abstract::Octanal is a potential alternative to chemical fungicides in controlling postharvest disease of citrus fruit. In this study, the antifungal activity and the underlying mechanism of octanal against spore germination of Penicillium digitatum, one of the main postharvest pathogens in citrus, were investigated. Results sh...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-016-1046-z
更新日期:2017-07-01 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
pub_type: 杂志文章,评审
doi:10.1007/s00709-017-1075-2
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1026-3
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1022-7
更新日期:2017-05-01 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
pub_type: 杂志文章,评审
doi:10.1007/s00709-016-1071-y
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1030-7
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1028-1
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1033-4
更新日期:2017-05-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-0998-3
更新日期:2017-03-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-0981-z
更新日期:2017-03-01 00:00:00
abstract::Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver and is characterized by multistage formation. The presence of ductular reaction, cytokeratin 7 positivity (PCK7), and increased levels of gamma glutamyltransferase (γGT) has been observed during liver carcinogenesis and contribute to tum...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-016-1000-0
更新日期:2017-03-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-1010-y
更新日期:2017-03-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0922-2
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-0975-x
更新日期:2017-01-01 00:00:00
abstract::Fragile sites (FSs) in plants have been described for species like Lolium and other grasses. Whereas in humans FSs were shown to be involved in genome instabilities; the consequences of FSs expression in plants are not known yet. To evaluate whether FSs cause karyotype instabilities, we assessed the frequency of micro...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-016-0942-6
更新日期:2017-01-01 00:00:00
abstract::Hyperhydricity is a physiological disorder associated with oxidative stress. Reactive oxygen species (ROS) generation in plants is initiated by various enzymatic sources, including plasma membrane-localized nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, cell wall-bound peroxidase (POD), and apoplastic p...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-016-0957-z
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0936-9
更新日期:2017-01-01 00:00:00
abstract::Podophyllum species (Podophyllum hexandrum Royle and Podophyllum peltatum) are a major source of deriving anticancer drugs from their major chemical constituent, podophyllotoxin. However, information lacks on regulatory components of podophyllotoxin biosynthesis; therefore, different classes of transcription factors w...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-015-0938-7
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1007/s00709-016-0947-1
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0940-0
更新日期:2017-01-01 00:00:00
abstract::Pollen developmental pathway in plants involving synchronized transferal of cellular divisions from meiosis (microsporogenesis) to mitosis (pollen mitosis I/II) eventually offers a unique "meiosis-mitosis shift" at pollen mitosis I. Since the cell type (haploid microspore) and fate of pollen mitosis I differ from typi...
journal_title:Protoplasma
pub_type: 杂志文章
doi:10.1007/s00709-015-0925-z
更新日期:2017-01-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0896-0
更新日期:2016-11-01 00:00:00
abstract::Here we present an overview of what is known about endogenous plant compounds that act as inhibitors of hormonal transport processes in plants, about their identity and mechanism of action. We have also summarized commonly and less commonly used compounds of non-plant origin and synthetic drugs that show at least part...
journal_title:Protoplasma
pub_type: 杂志文章,评审
doi:10.1007/s00709-015-0897-z
更新日期:2016-11-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0892-4
更新日期:2016-09-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0863-9
更新日期:2016-07-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0875-5
更新日期:2016-07-01 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
pub_type: 杂志文章
doi:10.1007/s00709-015-0851-0
更新日期:2016-05-01 00:00:00