Plastid-nucleus communication: anterograde and retrograde signalling in the development and function of plastids

Bräutigam, Katharina; Dietzel, Lars; Pfannschmidt, Thomas

doi:10.1007/4735_2007_0243

Cited by 34 publications

(26 citation statements)

References 214 publications

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“…Photosynthetic redox signals are widely accepted as a novel and important class of retrograde plastid signals from vital chloroplasts that coordinate expression of photosynthesis genes in both organelle and nucleus, in addition to signals from tetrapyrrole biosynthesis and signals from plastid gene expression (Nott et al, 2006;Brä utigam et al, 2007;Pesaresi et al, 2007). To study photosynthetic redox control of gene expression, different approaches using mutants, inhibitors, or varying illumination have been used .…”

Section: Introductionmentioning

confidence: 99%

Dynamic Plastid Redox Signals Integrate Gene Expression and Metabolism to Induce Distinct Metabolic States in Photosynthetic Acclimation inArabidopsis

et al. 2009

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Plants possess acclimation responses in which structural reconfigurations adapt the photosynthetic apparatus to fluctuating illumination. Long-term acclimation involves changes in plastid and nuclear gene expression and is controlled by redox signals from photosynthesis. The kinetics of these signals and the adjustments of energetic and metabolic demands to the changes in the photosynthetic apparatus are currently poorly understood. Using a redox signaling system that preferentially excites either photosystem I or II, we measured the time-dependent impact of redox signals on the transcriptome and metabolome of Arabidopsis thaliana. We observed rapid and dynamic changes in nuclear transcript accumulation resulting in differential and specific expression patterns for genes associated with photosynthesis and metabolism. Metabolite pools also exhibited dynamic changes and indicate readjustments between distinct metabolic states depending on the respective illumination. These states reflect reallocation of energy resources in a defined and reversible manner, indicating that structural changes in the photosynthetic apparatus during long-term acclimation are additionally supported at the level of metabolism. We propose that photosynthesis can act as an environmental sensor, producing retrograde redox signals that trigger two parallel adjustment loops that coordinate photosynthesis and metabolism to adapt plant primary productivity to the environment.

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Section: Introductionmentioning

confidence: 99%

Dynamic Plastid Redox Signals Integrate Gene Expression and Metabolism to Induce Distinct Metabolic States in Photosynthetic Acclimation inArabidopsis

et al. 2009

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“…Ядерный геном контро-лирует экспрессию органельных генов с помощью факто-ров, которые взаимодействуют на посттранскрипционном уровне с целевыми органельными транскриптами. Этот процесс называется антероградной регуляцией (Brautigam et al, 2007). Со стороны органельных геномов осущест-вляется ретроградная регуляция, включающая множество путей передачи сигналов, направленных на регулирова-ние экспрессии ядерных генов (Fujii, Toriyama, 2008).…”

Section: ядерно-цитоплазматические взаимодействия как один из механизunclassified

Interspecific incompatibility in wide hybridization of plants and ways to overcome

Першина¹,

Трубачеева²

2016

Vestn. VOGiS

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Wide hybridization is an important factor of angiosperm speciation and provides an introgression of genes between species. In experimental conditions wide hybridization is used to increase the genetic diversity of cultivated plants. Since the emergence of reproductive barriers is of great importance for speciation, plant capacity for wide crosses is determined by a possibility of overcoming these barriers. The review discusses the main types of incompatibility in wide crossing plants, as well as factors and methodological approaches that contribute to overcoming them. The role of Kr genes, which determine incompatibility between wheat and rye, is one of the examples of prezygotic isolation mechanism. Postzygotic incompatibility may be associated with a highly pronounced genetic and epigenetic variability induced by wide crossings. Early stages of the postzygotic period are crucial for developing hybrid seeds due to embryo's death, including those associated with uniparental chromosome elimination in hybrid cells and abnormal development of the endosperm. A depression and a lethality of F 1 hybrids may be the result of interaction between complementary genes, which cause hybrid necrosis, hybrid chlorosis, and hybrid dwarfness. The causes of hybrid sterility are discussed. Nuclearcytoplasmic interactions are regarded as one of the mechanisms of incompatibility in wide crosses. Reciprocal hybrids and alloplasmic lines are the main models for studying cytoplasm effects and nuclearcytoplasmic interactions. Problems concerning work with their models are emphasized. There are some examples underlining the fact that alloplasmic lines are not a plain combination of nuclear genome and cytoplasm of different species. Development Отдаленная гибридизация вносит существенный вклад в видо-образование покрытосеменных растений, обеспечивая перенос генов между видами и расширяя их потенциал к адаптации. В экс-периментальных условиях отдаленная гибридизация используется для увеличения генетического разнообразия культурных расте-ний. В процессе видообразования определяющее значение имеет возникновение репродуктивной изоляции, а выявляемая у расте-ний способность к отдаленным скрещиваниям определяется воз-можностью ее преодоления. В обзоре рассматриваются основные типы несовместимости при отдаленных скрещиваниях растений, а также факторы и методические подходы, способствующие пре-о долению репродуктивных барьеров. Пример генетического контроля презиготических барьеров -роль генов Kr, определяю-щих нескрещиваемость между пшеницей и рожью. Постзиготиче-ская несовместимость может быть связана с сильно выраженной генетической и эпигенетической изменчивостью, индуцируемой в результате отдаленных скрещиваний. Ранние этапы постзиготи-че ского периода являются критическими для развивающихся гибридных семян из-за гибели зародышей, в том числе связанной с однородительской элиминацией хромосом из гибридных клеток и аномальным развитием эндосперма. Рассматриваются возможности использования методов культивирования in vitro для преодоления презиг...

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“…(4) The import apparatus can be directly modulated by the redox state of the chloroplast [52,53]. Redox signals also control the levels of expression of specific nuclear genes [5,6]. This combined regulatory mechanism could couple the levels of preprotein expression directly to the activity of the import apparatus.…”

Section: Conclusion and Perspectivementioning

confidence: 99%

“…of plastid proteins [5,6]. The potential control of import via redox sensitive TIC components provides a potential mechanism to integrate metabolic status, gene expression, and protein import.…”

Section: Conclusion and Perspectivementioning

confidence: 99%

“…In Arabidopsis, plastids rely on the import of 3000 different nucleusencoded proteins from the cytoplasm [4]. Three decades of research have unraveled complex communication networks that couple and integrate the physiological and biogenetic status of the chloroplast with nuclear gene expression [5,6]. More recent studies implicate the plastid protein import apparatus itself as a key regulatory entity in mediating plastid-nuclear interactions.…”

Section: Introductionmentioning

confidence: 99%

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Chloroplast biogenesis: diversity and regulation of the protein import apparatus

Kessler

Schnell

2009

Current Opinion in Cell Biology

119

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Plastid-nucleus communication: anterograde and retrograde signalling in the development and function of plastids

Cited by 34 publications

References 214 publications

Dynamic Plastid Redox Signals Integrate Gene Expression and Metabolism to Induce Distinct Metabolic States in Photosynthetic Acclimation inArabidopsis

Dynamic Plastid Redox Signals Integrate Gene Expression and Metabolism to Induce Distinct Metabolic States in Photosynthetic Acclimation inArabidopsis

Interspecific incompatibility in wide hybridization of plants and ways to overcome

Chloroplast biogenesis: diversity and regulation of the protein import apparatus

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