Background: Chloroplast is a type of plastid that is believed to be originated from ancestral cyanobacteria. Chloroplast besides being a major component for photosynthesis, also takes part in another major plant metabolism, making it one of the major components of plants.
Main Body: Chloroplast transformation is an alternative and better genetic engineering approach compared to the nuclear transformation that has been widely applied in plant genetic engineering. Chloroplast transformation has exhibited various positive effects as compared to nuclear transformation. This is a more preferred technique by researchers. To carry out chloroplast transformation, the vector design must be performed, and a selectable marker needs to be incorporated before the chloroplast could uptake the construct. The common way of introducing a gene into the host, which is the chloroplast, involves the biolistic, PEG-mediated, carbon nanotubes carriers, UV-laser microbeam, and Agrobacterium-mediated transformation approaches. Apart from discussing the processes involved in introducing the gene into the chloroplast, this review also focuses on the various applications brought about by chloroplast transformation, particularly in the field of agriculture and environmental science.
Conclusion: Chloroplast transformation has shown a lot of advantages and proven to be a better alternative compared to nuclear genome transformation. Further studies must be conducted to uncover new knowledge regarding chloroplast transformation as well as to discover its additional applications in the fields of biotechnology.
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http://dx.doi.org/10.1186/s43141-021-00255-7 | DOI Listing |
Microb Biotechnol
December 2024
State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, China.
Chlamydomonas reinhardtii, a model green alga for expressing foreign proteins, faces challenges in multigene expression and enhancing protein expression level in the chloroplast. To address these challenges, we compared heterologous promoters, terminators and intercistronic expression elements (IEEs). We transformed Chlamydomonas chloroplast with a biolistic approach to introduce vectors containing the NanoLuc expression unit regulated by Chlamydomonas or tobacco promoters and terminators.
View Article and Find Full Text PDFACS Synth Biol
December 2024
Center for Agricultural Synthetic Biology (CASB), University of Tennessee, 2640 Morgan Circle Dr., Knoxville, Tennessee 37996, United States.
Plastids represent promising targets in plant genetic engineering for many biotech applications, ranging from their use as bioreactors for the overproduction of valuable molecules to the installation of transgenes for improving plant traits. For over 30 years, routine methods of plastid transformation have relied on homologous recombination integrating vectors. However, nonintegrating episomal plasmids have recently received more attention as an innovative tool for the plastid genetic engineering of plant cells.
View Article and Find Full Text PDFFood Chem
December 2024
Tea Research Institute, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China. Electronic address:
Shaking, essential in oolong tea production, is becoming an innovative method to impart floral fragrance. Research on shaking primarily concentrates on biological underpinnings, including modifications in gene expression and stress-triggered enzymatic catalysis, and consequent physicochemical properties. Water phase and distribution, reshaped by shaking and affected the biological and physicochemical alterations of tea leaves, is always ignored.
View Article and Find Full Text PDFFront Plant Sci
November 2024
College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi, China.
Introduction: Cold stress is the primary factor that limits the growth and development of in the Tibetan Plateau, China. Chitosan (CTS) has been recognized for its ability to enhance agricultural production and tolerance to stress.
Methods: This study examined the effect of treating seedlings under cold stress with chitosan.
Glob Chang Biol
December 2024
Carl R Woese Institute for Genomic Biology, University of Illinois Urbana Champaign, Urbana, Illinois, USA.
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