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Annual review of plant physiology and plant molecular biology最新文献

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DESATURATION AND RELATED MODIFICATIONS OF FATTY ACIDS1. 脂肪酸的去饱和和相关修饰1。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.611
John Shanklin, Edgar B. Cahoon
{"title":"DESATURATION AND RELATED MODIFICATIONS OF FATTY ACIDS1.","authors":"John Shanklin,&nbsp;Edgar B. Cahoon","doi":"10.1146/annurev.arplant.49.1.611","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.611","url":null,"abstract":"<p><p>Desaturation of a fatty acid first involves the enzymatic removal of a hydrogen from a methylene group in an acyl chain, a highly energy-demanding step that requires an activated oxygen intermediate. Two types of desaturases have been identified, one soluble and the other membrane-bound, that have different consensus motifs. Database searching for these motifs reveals that these enzymes belong to two distinct multifunctional classes, each of which includes desaturases, hydroxylases, and epoxidases that act on fatty acids or other substrates. The soluble class has a consensus motif consisting of carboxylates and histidines that coordinate an active site diiron cluster. The integral membrane class contains a different consensus motif composed of histidines. Biochemical and structural similarities between the integral membrane enzymes suggest that this class also uses a diiron cluster for catalysis. Soluble and membrane enzymes have been successfully re-engineered for substrate specificity and reaction outcome. It is anticipated that rational design of these enzymes will result in new and desired activities that may form the basis for improved oil crops.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"611-641"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.611","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834324","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: 814
PHYTOREMEDIATION. 植物修复。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.643
D. E. Salt, R. D. Smith, I. Raskin
{"title":"PHYTOREMEDIATION.","authors":"D. E. Salt,&nbsp;R. D. Smith,&nbsp;I. Raskin","doi":"10.1146/annurev.arplant.49.1.643","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.643","url":null,"abstract":"<p><p>Contaminated soils and waters pose a major environmental and human health problem, which may be partially solved by the emerging phytoremediation technology. This cost-effective plant-based approach to remediation takes advantage of the remarkable ability of plants to concentrate elements and compounds from the environment and to metabolize various molecules in their tissues. Toxic heavy metals and organic pollutants are the major targets for phytoremediation. In recent years, knowledge of the physiological and molecular mechanisms of phytoremediation began to emerge together with biological and engineering strategies designed to optimize and improve phytoremediation. In addition, several field trials confirmed the feasibility of using plants for environmental cleanup. This review concentrates on the most developed subsets of phytoremediation technology and on the biological mechanisms that make phytoremediation work.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"643-668"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.643","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834325","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
ELABORATION OF BODY PLAN AND PHASE CHANGE DURING DEVELOPMENT OF ACETABULARIA: How Is the Complex Architecture of a Giant Unicell Built? 髋臼发育过程中身体平面和相位变化的阐述:巨型单细胞的复杂结构是如何形成的?
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.173
Dina F. Mandoli
{"title":"ELABORATION OF BODY PLAN AND PHASE CHANGE DURING DEVELOPMENT OF ACETABULARIA: How Is the Complex Architecture of a Giant Unicell Built?","authors":"Dina F. Mandoli","doi":"10.1146/annurev.arplant.49.1.173","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.173","url":null,"abstract":"<p><p>While uninucleate and unicellular, Acetabularia acetabulum establishes and maintains functionally and morphologically distinct body regions and executes phase changes like those in vascular plants. Centimeters tall at maturity, this species has allowed unusual experimental approaches. Amputations revealed fates of nucleate and enucleate portions from both wild type and mutants. Historically, graft chimeras between nucleate and enucleate portions suggested that morphological instructions were supplied by the nucleus but resided in the cytoplasm and could be expressed interspecifically. Recently, graft chimeras enabled rescue of mutants arrested in vegetative phase. Since the 1930s, when Acetabularia provided the first evidence for the existence of mRNAs, a dogma has arisen that it uses long-lived mRNAs to effect morphogenesis. While the evidence favors translational control, the postulated mRNAs have not been identified, and the mechanism of morphogenesis remains unknown. Amenable to biochemistry, physiology, and both classical and molecular genetics, Acetabularia may contribute yet new insights into plant development and morphogenesis.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"173-198"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.173","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40912786","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: 45
HORMONE-INDUCED SIGNALING DURING MOSS DEVELOPMENT. 苔藓发育过程中激素诱导的信号。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.501
Karen S. Schumaker, Margaret A. Dietrich
{"title":"HORMONE-INDUCED SIGNALING DURING MOSS DEVELOPMENT.","authors":"Karen S. Schumaker,&nbsp;Margaret A. Dietrich","doi":"10.1146/annurev.arplant.49.1.501","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.501","url":null,"abstract":"<p><p>Understanding how a cell responds to hormonal signals with a new program of cellular differentiation and organization is an important focus of research in developmental biology. In Funaria hygrometrica and Physcomitrella patens, two related species of moss, cytokinin induces the development of a bud during the transition from filamentous to meristematic growth. Within hours of cytokinin perception, a single-celled initial responds with changes in patterns of cell expansion, elongation, and division to begin the process of bud assembly. Bud assembly in moss provides an excellent model for the study of hormone-induced organogenesis because it is a relatively simple, well-defined process. Since buds form in a nonrandom pattern on cells that are not embedded in other tissues, it is possible to predict which cells will respond and where the ensuing changes will take place. In addition, bud assembly is amenable to biochemical, cellular, and molecular biological analyses. This review examines our current understanding of cytokinin-induced bud assembly and the potential underlying mechanisms, reviews the state of genetic analyses in moss, and sets goals for future research with this organism.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"501-523"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.501","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834952","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: 50
PROTEIN TARGETING TO THE THYLAKOID MEMBRANE. 靶向类囊体膜的蛋白质。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.97
Danny J. Schnell
{"title":"PROTEIN TARGETING TO THE THYLAKOID MEMBRANE.","authors":"Danny J. Schnell","doi":"10.1146/annurev.arplant.49.1.97","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.97","url":null,"abstract":"<p><p>The assembly of the photosynthetic apparatus at the thylakoid begins with the targeting of proteins from their site of synthesis in the cytoplasm or stroma to the thylakoid membrane. Plastid-encoded proteins are targeted directly to the thylakoid during or after synthesis on plastid ribosomes. Nuclear-encoded proteins undergo a two-step targeting process requiring posttranslational import into the organelle from the cytoplasm and subsequent targeting to the thylakoid membrane. Recent investigations have revealed a single general import machinery at the envelope that mediates the direct transport of preproteins from the cytoplasm to the stroma. In contrast, at least four distinct pathways exist for the targeting of proteins to the thylakoid membrane. At least two of these systems are homologous to translocation systems that operate in bacteria and at the endoplasmic reticulum, indicating that elements of the targeting mechanisms have been conserved from the original prokaryotic endosymbiont.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"97-126"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.97","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40912783","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: 68
GENES AND ENZYMES OF CAROTENOID BIOSYNTHESIS IN PLANTS. 植物类胡萝卜素生物合成的基因和酶。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.557
F. X. Cunningham, E. Gantt
{"title":"GENES AND ENZYMES OF CAROTENOID BIOSYNTHESIS IN PLANTS.","authors":"F. X. Cunningham,&nbsp;E. Gantt","doi":"10.1146/annurev.arplant.49.1.557","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.557","url":null,"abstract":"<p><p>Carotenoids are integral and essential components of the photosynthetic membranes in all plants. Within the past few years, genes encoding nearly all of the enzymes required for the biosynthesis of these indispensable pigments have been identified. This review focuses on recent findings as to the structure and function of these genes and the enzymes they encode. Three topics of current interest are also discussed: the source of isopentenyl pyrophosphate for carotenoid biosynthesis, the progress and possibilities of metabolic engineering of plants to alter carotenoid content and composition, and the compartmentation and association of the carotenogenic enzymes. A speculative schematic model of carotenogenic enzyme complexes is presented to help frame and provoke insightful questions leading to future experimentation.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"557-583"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.557","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834322","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: 933
MOLECULAR BIOLOGY OF CATION TRANSPORT IN PLANTS. 植物阳离子运输的分子生物学。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.669
Tama Christine Fox, Mary Lou Guerinot
{"title":"MOLECULAR BIOLOGY OF CATION TRANSPORT IN PLANTS.","authors":"Tama Christine Fox,&nbsp;Mary Lou Guerinot","doi":"10.1146/annurev.arplant.49.1.669","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.669","url":null,"abstract":"<p><p>This review summarizes current knowledge about genes whose products function in the transport of various cationic macronutrients (K, Ca) and micronutrients (Cu, Fe, Mn, and Zn) in plants. Such genes have been identified on the basis of function, via complementation of yeast mutants, or on the basis of sequence similarity, via database analysis, degenerate PCR, or low stringency hybridization. Not surprisingly, many of these genes belong to previously described transporter families, including those encoding Shaker-type K+ channels, P-type ATPases, and Nramp proteins. ZIP, a novel cation transporter family first identified in plants, also seems to be ubiquitous; members of this family are found in protozoa, yeast, nematodes, and humans. Emerging information on where in the plant each transporter functions and how each is controlled in response to nutrient availability may allow creation of food crops with enhanced mineral content as well as crops that bioaccumulate or exclude toxic metals.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"669-696"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.669","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834326","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: 370
ASCORBATE AND GLUTATHIONE: Keeping Active Oxygen Under Control. 抗坏血酸和谷胱甘肽:控制活性氧。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.249
Graham Noctor, Christine H. Foyer
{"title":"ASCORBATE AND GLUTATHIONE: Keeping Active Oxygen Under Control.","authors":"Graham Noctor,&nbsp;Christine H. Foyer","doi":"10.1146/annurev.arplant.49.1.249","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.249","url":null,"abstract":"<p><p>To cope with environmental fluctuations and to prevent invasion by pathogens, plant metabolism must be flexible and dynamic. Active oxygen species, whose formation is accelerated under stress conditions, must be rapidly processed if oxidative damage is to be averted. The lifetime of active oxygen species within the cellular environment is determined by the antioxidative system, which provides crucial protection against oxidative damage. The antioxidative system comprises numerous enzymes and compounds of low molecular weight. While research into the former has benefited greatly from advances in molecular technology, the pathways by which the latter are synthesized have received comparatively little attention. The present review emphasizes the roles of ascorbate and glutathione in plant metabolism and stress tolerance. We provide a detailed account of current knowledge of the biosynthesis, compartmentation, and transport of these two important antioxidants, with emphasis on the unique insights and advances gained by molecular exploration.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"249-279"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.249","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40912789","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: 5662
GENETIC CONTROL OF FLOWERING TIME IN ARABIDOPSIS. 拟南芥开花时间的遗传调控。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.345
Maarten Koornneef, Carlos Alonso-Blanco, Anton J. M. Peeters, Wim Soppe
{"title":"GENETIC CONTROL OF FLOWERING TIME IN ARABIDOPSIS.","authors":"Maarten Koornneef,&nbsp;Carlos Alonso-Blanco,&nbsp;Anton J. M. Peeters,&nbsp;Wim Soppe","doi":"10.1146/annurev.arplant.49.1.345","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.345","url":null,"abstract":"<p><p>The timing of the transition from vegetative to reproductive development is of great fundamental and applied interest but is still poorly understood. Recently, molecular-genetic approaches have been used to dissect this process in Arabidopsis. The genetic variation present among a large number of mutants with an early- or late-flowering phenotype, affecting the control of both environmental and endogenous factors that influence the transition to flowering, is described. The genetic, molecular, and physiological analyses have led to identification of different components involved, such as elements of photoperception and the circadian rhythm. Furthermore, elements involved in the signal transduction pathways to flowering have been identified by the cloning of some floral induction genes and their target genes.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"345-370"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.345","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834946","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: 536
PHOTOSYNTHETIC CYTOCHROMES c IN CYANOBACTERIA, ALGAE, AND PLANTS. 蓝细菌、藻类和植物中的光合细胞色素。
Annual review of plant physiology and plant molecular biology Pub Date : 1998-06-01 DOI: 10.1146/annurev.arplant.49.1.397
Cheryl A. Kerfeld, David W. Krogmann
{"title":"PHOTOSYNTHETIC CYTOCHROMES c IN CYANOBACTERIA, ALGAE, AND PLANTS.","authors":"Cheryl A. Kerfeld,&nbsp;David W. Krogmann","doi":"10.1146/annurev.arplant.49.1.397","DOIUrl":"https://doi.org/10.1146/annurev.arplant.49.1.397","url":null,"abstract":"<p><p>The cytochromes that function in photosynthesis in cyanobacteria, algae, and higher plants have, like the other photosynthetic catalysts, been largely conserved in their structure and function during evolution. Cyanobacteria and algae contain cytochrome c6, which is not found in higher plants and which may enhance survival in their planktonic mode of life. Cyanobacteria and algae contain another cytochrome, low-potential c549, which is not found in higher plants. This cytochrome has a structural role in PSII and may contribute to anaerobic survival. There is a third unique cytochrome, cytochrome M, in the planktonic photosynthesizers, and its function is unknown. New evidence is appearing to indicate evolution of cytochrome interaction mechanisms during the evolution of photosynthesis. The ease of cytochrome gene manipulation in cyanobacteria and in Chlamydomonas reinhardtii now provides great advantages in understanding of photosynthesis. The solution of tertiary and quaternary structures of cytochromes and cytochrome complexes will provide structural and functional detail at atomic resolution.</p>","PeriodicalId":80493,"journal":{"name":"Annual review of plant physiology and plant molecular biology","volume":"49 ","pages":"397-425"},"PeriodicalIF":0.0,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev.arplant.49.1.397","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40834948","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: 92
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