Cytobiologie最新文献_第9页

Fine structure of the homologous tergo-coxal muscles of flying and flightless beetles. 会飞的甲虫和不会飞的甲虫的类似的臀部肌肉的精细结构。

Cytobiologie Pub Date : 1978-04-01

J A Mitchell, H R Hepburn, J J Heffron

引用次数: 0

Filament arrangements in negatively stained cultured cells: the organization of actin. 负染色培养细胞中的丝排列:肌动蛋白的组织。

Cytobiologie Pub Date : 1978-02-01

J V Small, J E Celis

{"title":"Filament arrangements in negatively stained cultured cells: the organization of actin.","authors":"J V Small, J E Celis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Treatment of spread, cultured cells with Triton X-100 followed by negative staining reveals the organization of the unextracted intracellular filamentous elements: actin, microtubules and the 100 angstrom filaments. The present report describes the organization of the actin-like filaments in human skin fibroblasts and mouse 3 T 3 cells. As shown in earlier studies, the cytoplasmic stress fibres were seen to be composed of bundles of colinear actin-like filaments. In addition to these large stress fibres much smaller bundles of thin filaments as well as randomly oriented thin filaments were also observed. A thick bundle of thin filaments, 0.2 microm to 0.5 microm in diameter, was found to delimit the concave cell edges most prominent in well-spread stationary cells. The leading edge and ruffled border of human skin fibroblasts appeared as a broad web, of meshwork of diagonally oriented thin filaments interconnecting radiating, linear bundles of thin filaments about 0.1 microm in diameter. These bundles corresponding to the microspikes described earlier ranged from about 1.5 microm in length and were separated by 1 microm to 3 microm laterally. The leading edge of 3 T 3 cells showed a similar organization but with fewer radiating thin filament bundles. Both the filaments in the bundles and in the meshwork formed arrowhead complexes with smooth muscle myosin subfragment - 1 which were unipolar and directed towards the main body of the cell. The findings are discussed in relation to the mechanisms of non-muscle cell motility.</p>","PeriodicalId":75770,"journal":{"name":"Cytobiologie","volume":"16 2","pages":"308-25"},"PeriodicalIF":0.0,"publicationDate":"1978-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"26823117","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

Chemical aspects of histone acetylation and replacement in mouse spermatids at different stages of maturation. 小鼠精细胞不同成熟阶段组蛋白乙酰化和替代的化学方面。

Cytobiologie Pub Date : 1977-10-01

D Bouvier

引用次数: 0

Sequential changes in the structure and function of hepatocytes in estrogen-treated Xenopus laevis males. 雌性非洲爪蟾雄性肝细胞结构和功能的顺序变化。

Cytobiologie Pub Date : 1977-04-01

E W Bergink, M T Tseng, J L Wittliff

引用次数: 0

Localization of gonadotropic hormones in lysosomes of ovine luteal cells. 促性腺激素在羊黄体细胞溶酶体中的定位。

Cytobiologie Pub Date : 1977-04-01

T T Chen, J H Abel, M C McClellan, H R Sawyer, M A Diekman, G D Niswender