Abstract
Key message
Domestication traits particularly fruit size and plant architecture and flowering are critical in transforming a progenitor’s wild stature into a super improved plant. The latest advancements in the CRISPR system, as well as its rapid adoption, are speeding up plant breeding.
Abstract
Solanaceae has a varied range of important crops, with a few model crops, such as tomato and, more recently, groundcherry, serving as a foundation for developing molecular techniques, genome editing tools, and establishing standards for other crops. Domestication traits in agricultural plants are quantified and widely adopted under modern plant breeding to improve small-fruited and bushy crop species like goji berry. The molecular mechanisms of the FW2.2, FW3.2, FW11.3, FAS/CLV3, LC/WUS, SP, SP5G, and CRISPR genome editing technology have been described in detail here. Furthermore, special focus has been placed on CRISPR gene editing achievements for revolutionizing Solanaceae breeding and changing the overall crop landscape. This review seeks to provide a thorough overview of the CRISPR technique’s ongoing advancements, particularly in Solanaceae, in terms of domesticated features, future prospects, and regulatory risks. We believe that this vigorous discussion will lead to a broader understanding of CRISPR gene editing as a tool for achieving key breeding goals in other Solanaceae minor crops with significant industrial value.
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Code availability
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Abbreviations
- CRISPR:
-
Clustered regularly interspaced palindromic repeats
- Cas9:
-
CRISPR associated nuclease 9
- FW:
-
Fruit weight
- LC:
-
Locule number
- WUS:
-
Wuschel
- FAS:
-
Fasciated
- CLV:
-
Clavata
- ZFN:
-
Zinc finger nuclease
- TALEN:
-
Transcription activator like effector nucleases
- IM:
-
Inflorescence meristem
- FM:
-
Floral meristem
- CNR:
-
Cell number regulator
- PLAC8:
-
Placenta specific 8
- CYP78A:
-
Cytochrome P450 class A78
- CSR:
-
Cell size regulator
- SNP:
-
Single nucleotide polymorphism
- AG:
-
Agamous
- NIL:
-
Near isogenic lines
- WT:
-
Wild type
- SP :
-
Self Pruning
- SAM:
-
Shoot apical meristem
- CEN:
-
Centroradialis
- TFL1:
-
Terminal flowers
- SFT:
-
Single flower truss
- SP5G :
-
Self Pruning 5 Gene
- SlER:
-
Solanum lycopersicum ERECTA
- PAM:
-
Protospacer adjacent motif
- Cpf1:
-
CRISPR Prevotella and Francisella 1
- DSB:
-
Double strand break
- Sp :
-
Streptococcus pyogenes
- NHEJ:
-
Non-homologous end joining
- HDR:
-
Homology directed repair
- uORF:
-
Upstream open reading frame
- dORF:
-
Downstream open reading frame
- InDel:
-
Insertion/deletion
- CSHL:
-
Cold spring harbor laboratory
- Fast-TrACC:
-
Fast treated Agrobacterium co-culture
- DR:
-
Developmental regulators
- MULT:
-
Multiflora
- CycB:
-
Lycopene beta cyclase
- Ko:
-
Knock out
- Ki:
-
Knock in
- TCM:
-
Traditional Chinese medicine
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Acknowledgements
This work was supported by grants from Strategic and Priority Research Program of Chinese Academy of Sciences [XDA24030502], National Key R&D Program of China [2018YFD1000607]; the National Natural Science Foundation of China [31770334, 32170389]; Science and Technology Program of Guangzhou [201904010167]; Guangdong Provincial Special Fund For Modern Agriculture Industry Technology Innovation Teams, China [2020KJ148]. The funding organizations did not aid in designing the study and manuscript write up.
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FR, YW conceptualize the main theme; FR drafted the manuscript; FR, HG prepared scientific illustrations; YB, FR contributed in the concept of molecular mechanisms of genes; YW, SZ and HH reviewed the draft and suggested technical points to improve the manuscript. All authors read and approved for submission of revised version of the manuscript.
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Rehman, F., Gong, H., Bao, Y. et al. CRISPR gene editing of major domestication traits accelerating breeding for Solanaceae crops improvement. Plant Mol Biol 108, 157–173 (2022). https://doi.org/10.1007/s11103-021-01229-6
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DOI: https://doi.org/10.1007/s11103-021-01229-6