{"title":"Plants in space.","authors":"T. W. Halstead, F. Dutcher","doi":"10.1146/ANNUREV.PP.38.060187.001533","DOIUrl":"https://doi.org/10.1146/ANNUREV.PP.38.060187.001533","url":null,"abstract":"Space may be, as some have called it, our last frontier. As such, it provides novel, even unique research opportunities. Plants are sure to figure significantly in these activities. The ability to manipulate the force of gravity from near zero to 1 g affords fresh opportunities to investigate gravity's physiological effects as well as a means of probing gravi- and phototropism, thigmo-morphogenesis, and other environmental effects in a state uncompromised by gravity. In this review we aim primarily to consider phenomenology, a goal that befits the state of our knowledge from space experiments. We intend to provide grist for future ground-based and space experiments and to reveal the potential for scientific discovery in this area.","PeriodicalId":80492,"journal":{"name":"Annual review of plant physiology","volume":"38 1","pages":"317-45"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/ANNUREV.PP.38.060187.001533","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64481769","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}
{"title":"Early events in geotropism of seedling shoots.","authors":"B. Pickard","doi":"10.1146/ANNUREV.PP.36.060185.000415","DOIUrl":"https://doi.org/10.1146/ANNUREV.PP.36.060185.000415","url":null,"abstract":"Developments during the first ten minutes of geotropic stimulation in plant seedling shoots are reviewed. Topics include induction and curvature; early processes; the relationship between auxin, electric field, calcium, and differential growth; gravity reception leading to Went-Cholodny transport; and comparison of root and shoot. Early processes reviewed are sedimentation of amyloplasts, release of ethylene, rise of electrical and auxin asymmetry, redistribution of calcium, asymmetric vascular transport, increase in tendency to deposit callose, and simulation of putative exocytotic voltage transients.","PeriodicalId":80492,"journal":{"name":"Annual review of plant physiology","volume":"36 1","pages":"55-75"},"PeriodicalIF":0.0,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/ANNUREV.PP.36.060185.000415","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64479800","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}