Plant organellar genomes: Much done, much more to do
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Journal:
Trends in Plant Science
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Key Words:
organellar genome; structural variation; plastid transformation; genome editing; mitochondria
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Abstract:
Plastids and mitochondria are the only organelles that possess genomes of endosymbiotic origin. In recent decades, advances in sequencing technologies have contributed to a meteoric rise in the number of published organellar genomes, and have revealed greatly divergent evolutionary trajectories. In this review, we quantify the abundance and distribution of sequenced plant organellar genomes across the plant tree of life. We compare numerous genomic features between the two organellar genomes, with an emphasis on evolutionary trajectories, transfers, the current state of organellar genome editing by transcriptional activator-like effector nucleases (TALENs), transcription activator-like effector (TALE)-mediated deaminase, and clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein (Cas), as well as genetic transformation. Finally, we propose future research to understand these different evolutionary trajectories, and genome-editing strategies to promote functional studies and eventually improve organellar genomes.
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All the Authors:
Jiawei Zhou,Luke R. Tembrock,
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First Author:
Jie Wang,Shenglong Kan,Xuezhu Liao
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Indexed by:
Article
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Correspondence Author:
Zhiqiang Wu,Henry Daniell,Shuangxia Jin,
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Discipline:
Natural Science
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ISSN No.:
1878-4372
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Translation or Not:
no
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Date of Publication:
2024-01-01
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Included Journals:
SCI
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