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  Beyond the darkness: recent lessons from etiolation and de-etiolation studies

Armarego-Marriott, T., Sandoval-Ibanez, O., & Kowalewska, Ł. (2019). Beyond the darkness: recent lessons from etiolation and de-etiolation studies. Journal of Experimental Botany, 71(4), 1215-1225. doi:10.1093/jxb/erz496.

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Armarego-Marriott, T.1, Author              
Sandoval-Ibanez, O.1, Author              
Kowalewska, Łucja2, Author
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1Organelle Biology and Biotechnology, Department Bock, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753326              
2External Organizations, ou_persistent22              

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 Abstract: The state of etiolation is generally defined by the presence of non-green plastids (etioplasts) in plant tissues that would normally contain chloroplasts. In the commonly used dark-grown seedling system, etiolation is coupled with a type of growth called skotomorphogenesis. Upon illumination, de-etiolation occurs, marked by the transition from etioplast to chloroplast, and, at the seedling level, a switch to photomorphogenic growth. Etiolation and de-etiolation systems are therefore important for understanding both the acquisition of photosynthetic capacity during chloroplast biogenesis and plant responses to light—the most relevant signal in the life and growth of the organism. In this review, we discuss recent discoveries (within the past 2–3 years) in the field of etiolation and de-etiolation, with a particular focus on post-transcriptional processes and ultrastructural changes. We further discuss ambiguities in definitions of the term ‘etiolation’, and benefits and biases of common etiolation/de-etiolation systems. Finally, we raise several open questions and future research possibilities.

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Language(s): eng - English
 Dates: 2019-12
 Publication Status: Published in print
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 Identifiers: DOI: 10.1093/jxb/erz496
BibTex Citekey: 10.1093/jxb/erz496
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Title: Journal of Experimental Botany
  Other : J. Exp. Bot
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press [etc.]
Pages: - Volume / Issue: 71 (4) Sequence Number: - Start / End Page: 1215 - 1225 Identifier: ISSN: 0022-0957
CoNE: https://pure.mpg.de/cone/journals/resource/954925413883