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Die Zelle als gengesteuertes System 这些细胞就是遗传的系统
Zeitschrift für Pflanzenphysiologie Pub Date : 2016-08-09 DOI: 10.1007/978-3-662-49880-4_6
P. Schopfer, A. Brennicke
{"title":"Die Zelle als gengesteuertes System","authors":"P. Schopfer, A. Brennicke","doi":"10.1007/978-3-662-49880-4_6","DOIUrl":"https://doi.org/10.1007/978-3-662-49880-4_6","url":null,"abstract":"","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78920729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Die Zelle als gengesteuertes System 这些细胞就是遗传的系统
Zeitschrift für Pflanzenphysiologie Pub Date : 2011-01-28 DOI: 10.1007/978-3-8274-2352-8_6
A. Brennicke, P. Schopfer
{"title":"Die Zelle als gengesteuertes System","authors":"A. Brennicke, P. Schopfer","doi":"10.1007/978-3-8274-2352-8_6","DOIUrl":"https://doi.org/10.1007/978-3-8274-2352-8_6","url":null,"abstract":"","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2011-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90986871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Net Proton Transport in Sunflower Hypocotyls: Comparative Studies of Inhibitors 向日葵下胚轴的净质子传输:抑制剂的比较研究
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80066-5
Michael Böttger, Michael Bigdon, Hans-Jürgen Soll
{"title":"Net Proton Transport in Sunflower Hypocotyls: Comparative Studies of Inhibitors","authors":"Michael Böttger,&nbsp;Michael Bigdon,&nbsp;Hans-Jürgen Soll","doi":"10.1016/S0044-328X(84)80066-5","DOIUrl":"10.1016/S0044-328X(84)80066-5","url":null,"abstract":"<div><p>Net H<sup>+</sup>-transport was continuously monitored by means of a computer assisted pH stat. Application of cycloheximide leads rapidly to a transient proton influx, followed by a periode of uncomplete recovery. This occurs even when net H<sup>+</sup>-efflux is stimulated before with indolacetic acid or dilute concentrations of the fungal toxin fusicoccin. The uncomplete recovery of proton secretion is unaffected by repeated treatment with CHI but it is markedly reduced by sulfhydril-blockers. The inhibition of proton secretion induced by sulfhydril-blockers is only reversed transiently by dithioerythritol. The results give no clear evidence for the existence of different pumps or a different mode of action between auxin and fusicoccin in their stimulation of net H<sup>+</sup>-transport.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80066-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78242821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Mitochondrial Metabolism of Glycolate in the Alga Eremosphaera viridis 绿藻中乙醇酸的线粒体代谢
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80061-6
H. Stabenau, U. Winkler, W. Säftel
{"title":"Mitochondrial Metabolism of Glycolate in the Alga Eremosphaera viridis","authors":"H. Stabenau,&nbsp;U. Winkler,&nbsp;W. Säftel","doi":"10.1016/S0044-328X(84)80061-6","DOIUrl":"10.1016/S0044-328X(84)80061-6","url":null,"abstract":"<div><p>In <em>Eremosphaera</em> glycolate is synthesized and can either be excreted or metabolized by the cells. All the enzymes required for the conversion of glycolate to glycerate are present in this organism. In contrast to higher plants and also to some other algae the enzymes of glycolate metabolism are located exclusively in the mitochondria. Oxidation of glycolate is catalyzed by a dehydrogenase which also has a high affinity for D-lactate. Glycolate as well as D-lactate supplied in the culture medium can be taken up and metabolized by the whole cells. The metabolism of both substrates causes an increase in respiration activity. With D-lactate the oxygen consumption is much higher than with glycolate.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80061-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90528603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Size of the Microbody Population in Sunflower Cotyledons During the Transition in Cotyledonary Microbody Function 向日葵子叶微体功能转变过程中子叶微体种群的大小
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80067-7
B. Schuh, B. Gerhardt
{"title":"Size of the Microbody Population in Sunflower Cotyledons During the Transition in Cotyledonary Microbody Function","authors":"B. Schuh,&nbsp;B. Gerhardt","doi":"10.1016/S0044-328X(84)80067-7","DOIUrl":"10.1016/S0044-328X(84)80067-7","url":null,"abstract":"<div><p>Microbody fractions not contaminated by mitochondria, plastids, or protein bodies were isolated from sunflower cotyledons during the transition of the cotyledonary microbody population from glyoxysomal to leaf peroxisomal function. In these microbody fractions, specific enzyme activities could be determined based on microbody protein content. The amount of microbody protein per cotyledon was estimated from the specific and total activities of isocitrate lyase and glycolate oxidase. This can be considered to be a relative measure of the size of the cotyledonary microbody population (number of microbodies per cotyledon). The amount of microbody protein per cotyledon remained constant over most of the transition period, declining only during the final stage. This result suggests that there is no pronounced and selective degradation of glyoxysomes during the transition in cotyledonary microbody function.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80067-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89802087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Distribution of Serotonin in Juglans regia Seeds During Ontogenetic Development and Germination 5 -羟色胺在核桃种子个体发育和萌发中的分布
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80090-2
Fred Lembeck, Gerhard Skofitsch
{"title":"Distribution of Serotonin in Juglans regia Seeds During Ontogenetic Development and Germination","authors":"Fred Lembeck,&nbsp;Gerhard Skofitsch","doi":"10.1016/S0044-328X(84)80090-2","DOIUrl":"https://doi.org/10.1016/S0044-328X(84)80090-2","url":null,"abstract":"<div><p>Serotonin (5-HT) was measured by HPLC with electrochemical detection in walnuts (<em>Juglans regia</em>) during ontogeny and germination.</p><p>Whereas 5-HT levels in catkins were low and did not increase during maturation, they increased in seed buds. The embryo reached highest amounts of 5-HT mainly during the final development of the seeds. Extremely high concentrations of 5-HT (1.6 mg g<sup>-1</sup>) were observed in the seed coat. In the seeds the 5-HT content remained stable during their storage over a period of at least one year.</p><p>The level of 5-HT in the cotyledons doubled during germination in two months. In the shoots the apical buds contained as much 5-HT as the seed coat whereas the 5-HT concentration in the roots was extremely low. Besides the possibility that 5-HT is not more than an end product of tryptophan metabolism its high concentration in seed coats and apical buds suggest a function in the defense against other plants or pests.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80090-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90129994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Authors Index 作者索引
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80071-9
{"title":"Authors Index","authors":"","doi":"10.1016/S0044-328X(84)80071-9","DOIUrl":"https://doi.org/10.1016/S0044-328X(84)80071-9","url":null,"abstract":"","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80071-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136700603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Partial Purification and Characterization of Inducible Transport Proteins of Chlorella 小球藻诱导转运蛋白的部分纯化及特性研究
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80057-4
Norbert Sauer, Widmar Tanner
{"title":"Partial Purification and Characterization of Inducible Transport Proteins of Chlorella","authors":"Norbert Sauer,&nbsp;Widmar Tanner","doi":"10.1016/S0044-328X(84)80057-4","DOIUrl":"10.1016/S0044-328X(84)80057-4","url":null,"abstract":"<div><p>Autotrophically grown <em>Chlorella vulgaris</em> cells show a low rate of hexose and amino acid uptake. After pretreatment with glucose or glucose analogues the rate of uptake of hexoses and of six amino acids (catalyzed by one hexose- and two amino acid transport systems) is increased one hundred-fold or more. Induced cells possess at least two additional membrane proteins, which are detectable after radiolabelling. Their apparent molecular weight on SDS gels increases with increasing acrylamide concentration and possibly correct values were estimated by extrapolation to be about 65,000. The putative hexose transport protein does not seem to be N-glycosylated.</p><p>The proteins were enriched approximately 30fold starting from a partly purified membrane fraction and following a purification procedure worked out for <em>E. coli</em> lac-permease (Newman et al., 1981, J. Biol. Chem. 256, 11, 804). The purified extract from induced cells contained a protein which was detected as diffuse band after silver staining; this protein was absent from the extract of non-induced cells. The stained band corresponded to the radiolabelled proteins described above.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80057-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91528030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Modification of pyruvate kinase activity in cold-sensitive and cold-resistant leaf tissues 对冷敏感和抗寒叶片组织丙酮酸激酶活性的修饰
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80083-5
E. Sobczyk, Z. Rybka, A. Kacperska
{"title":"Modification of pyruvate kinase activity in cold-sensitive and cold-resistant leaf tissues","authors":"E. Sobczyk, Z. Rybka, A. Kacperska","doi":"10.1016/S0044-328X(84)80083-5","DOIUrl":"https://doi.org/10.1016/S0044-328X(84)80083-5","url":null,"abstract":"","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72827473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Dark Activation of NADP-Malate Dehydrogenase in Maize Leaf Discs 玉米叶片中nadp -苹果酸脱氢酶的暗激活
Zeitschrift für Pflanzenphysiologie Pub Date : 1984-05-01 DOI: 10.1016/S0044-328X(84)80086-0
Hitoshi Nakamoto, Gerald E. Edwards
{"title":"Dark Activation of NADP-Malate Dehydrogenase in Maize Leaf Discs","authors":"Hitoshi Nakamoto,&nbsp;Gerald E. Edwards","doi":"10.1016/S0044-328X(84)80086-0","DOIUrl":"https://doi.org/10.1016/S0044-328X(84)80086-0","url":null,"abstract":"<div><p>NADP-malate dehydrogenase (NADP-MDH) is normally activated in the light and inactivated in the dark in plant leaves, including the C<sub>4</sub> species maize. In the present study, leaf discs of maize were taken from illuminated plants and the state of activation of the enzyme followed in darkness under various conditions. After 30 min of incubation of the leaf discs in the dark, NADP-MDH was largely inactivated, but during the next hour of incubation in the dark the enzyme was reactivated. Bubbling air into the solution containing the leaf discs or addition of 100 μM Antimycin A prevented the reactivation of the enzyme in the dark. It is concluded that leaf discs of maize in solution in the dark become deficient in O<sub>2</sub> due to respiration and that the depletion of O<sub>2</sub> leads to activation of NADP-MDH.</p></div>","PeriodicalId":23797,"journal":{"name":"Zeitschrift für Pflanzenphysiologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1984-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0044-328X(84)80086-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91705647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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