Identification and characterization of PEBP family genes reveal CcFT8 a probable candidate for photoperiod insensitivity in C. cajan

Tribhuvan, Kishor U.; Das, Antara; Srivastava, Harsha; Kumar, Kuldeep; Kumar, Dilip; Sandhya, .; Mithra, S. V. Amitha; Jain, Pradeep; Gaikwad, Kishor

doi:10.1007/s13205-020-02180-x

Cited by 14 publications

(6 citation statements)

References 45 publications

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“…QTL mapping has been used effectively in various crops, including rice, maize, and tomato, and has revealed insightful information into the genetic basis of complex characteristics including yield, biotic and abiotic stress resistance (Bai et al, 2018;Yadav et al, 2019;Saleem et al, 2020;Goering et al, 2021). In addition, QTL mapping has also been used to identify candidate genes for the targeted improvement of crops (Luo et al, 2019b;Guo et al, 2019;Kumar et al, 2020). In conclusion, QTL mapping provides valuable information for plant breeding and improvement, as well as for understanding the genetic basis of phenotypic variation.…”

Section: Qtl Mappingmentioning

confidence: 99%

Green revolution to genome revolution: driving better resilient crops against environmental instability

Chawla,

Poonia,

Samantara

et al. 2023

Front. Genet.

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Crop improvement programmes began with traditional breeding practices since the inception of agriculture. Farmers and plant breeders continue to use these strategies for crop improvement due to their broad application in modifying crop genetic compositions. Nonetheless, conventional breeding has significant downsides in regard to effort and time. Crop productivity seems to be hitting a plateau as a consequence of environmental issues and the scarcity of agricultural land. Therefore, continuous pursuit of advancement in crop improvement is essential. Recent technical innovations have resulted in a revolutionary shift in the pattern of breeding methods, leaning further towards molecular approaches. Among the promising approaches, marker-assisted selection, QTL mapping, omics-assisted breeding, genome-wide association studies and genome editing have lately gained prominence. Several governments have progressively relaxed their restrictions relating to genome editing. The present review highlights the evolutionary and revolutionary approaches that have been utilized for crop improvement in a bid to produce climate-resilient crops observing the consequence of climate change. Additionally, it will contribute to the comprehension of plant breeding succession so far. Investing in advanced sequencing technologies and bioinformatics will deepen our understanding of genetic variations and their functional implications, contributing to breakthroughs in crop improvement and biodiversity conservation.

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Section: Qtl Mappingmentioning

confidence: 99%

Green revolution to genome revolution: driving better resilient crops against environmental instability

Chawla,

Poonia,

Samantara

et al. 2023

Front. Genet.

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“…While CcFT6 upregulates under SD in photoperiod Frontiers in Genetics frontiersin.org sensitive, MAL3 genotype, CcFT6 and CcFT8 upregulate in photoperiod insensitive genotype (ICP20338) under SD and LD conditions, respectively. The presence of CcFT8 as an additional florigen producing gene, having ability to flower in a photoperiod independent manner under LD conditions provide some clues on its photoperiod insensitive nature (Tribhuvan et al, 2020). More recently, two candidate genes coding for pentatricopeptide repeat (PPR) and cell division protein FtsZ homolog have been investigated in pigeonpea.…”

Section: Abiotic Stress Component Traits-bambara Groundnut (Vigna Sub...mentioning

confidence: 99%

CRISPR for accelerating genetic gains in under-utilized crops of the drylands: Progress and prospects

Sharma

Palakolanu²,

Bhattacharya³

et al. 2022

Front. Genet.

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Technologies and innovations are critical for addressing the future food system needs where genetic resources are an essential component of the change process. Advanced breeding tools like “genome editing” are vital for modernizing crop breeding to provide game-changing solutions to some of the “must needed” traits in agriculture. CRISPR/Cas-based tools have been rapidly repurposed for editing applications based on their improved efficiency, specificity and reduced off-target effects. Additionally, precise gene-editing tools such as base editing, prime editing, and multiplexing provide precision in stacking of multiple traits in an elite variety, and facilitating specific and targeted crop improvement. This has helped in advancing research and delivery of products in a short time span, thereby enhancing the rate of genetic gains. A special focus has been on food security in the drylands through crops including millets, teff, fonio, quinoa, Bambara groundnut, pigeonpea and cassava. While these crops contribute significantly to the agricultural economy and resilience of the dryland, improvement of several traits including increased stress tolerance, nutritional value, and yields are urgently required. Although CRISPR has potential to deliver disruptive innovations, prioritization of traits should consider breeding product profiles and market segments for designing and accelerating delivery of locally adapted and preferred crop varieties for the drylands. In this context, the scope of regulatory environment has been stated, implying the dire impacts of unreasonable scrutiny of genome-edited plants on the evolution and progress of much-needed technological advances.

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“…Three biological replicates of photoperiod insensitive (ICP20338) and photoperiod sensitive (MAL3) genotypes [25] of C. cajan were grown under long-day (16hr light /8hr dark) and short day (12hr light/12hr dark) photoperiod conditions with 30ºC temperature and 60% relative humidity at National Phytotron Facility, ICAR-IARI, New Delhi. We isolated the total RNA from the vegetative leaf (VL) and reproductive leaf (RL) tissues from both the short day (SD) and the long day (LD) grown plants.…”

Section: Plant Materialsmentioning

confidence: 99%

Structural and functional analysis of CCT family genes in pigeonpea

et al. 2021

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Pigeonpea (Cajanus cajan (L) Millsp) is a short-day plant in which the owering is highly sensitive to photoperiod. A better understanding of the genes modulating photoresponse and owering time is critical to developing photoperiod insensitive pigeonpea cultivars for cultivation across the seasons. We identi ed 33 CCT family genes (CcCCT1-CcCCT33) in C. cajan and localized them on 10 chromosomes and nine genomic scaffolds. The structural analysis of CCT family genes revealed a considerable variation in length and distribution of exons and introns. Based on the type of domain(s), we classi ed the CCT family genes into CCT motif family (CMF) type, CONSTANS like (COL) type, Pseudo-response Regulator (PRR) type, and GATA and ti containing CCT (GTCC) type. The CCT family genes of C. cajan exhibited an extensive orthologous relationship with the CCT family genes of other legume species. We also observed signi cant sharing of CCT family genes among the legume species. Glycine max exhibited the maximum sharing of CCT family genes with C. cajan. The analysis of CCT family proteins-based phylogenic relationships revealed a general congruence with the legumes' taxonomic relationships. The expression analysis of CCT family genes of pigeonpea demonstrated that CcCCT4 and CcCCT23 are the active CONSTANS (CO) in ICP20338. In contrast, only CcCCT23 is active in MAL3, explaining the differential response of ICP20338 and MAL3 to photoperiod. The chromosomes of C. cajan contain a variable number of CCT family genes. A majority of these genes are localized in the centromeric regions. The COL type CCT genes are structurally highly diverse and contain a variable number of B-box domains. The CCT family genes of different legume species exhibit all three kinds of relationships: one-to-one, many-to-one, and many-tomany types. The photoperiod insensitive cultivar ICP20338 contains CcCCT4 and CcCCT23, while the photoperiod sensitive cultivar MAL3 contains only CcCCT23 as active CONSTANS (CO), which may be the plausible reason for their differential photoperiod response.

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Identification and characterization of PEBP family genes reveal CcFT8 a probable candidate for photoperiod insensitivity in C. cajan

Cited by 14 publications

References 45 publications

Green revolution to genome revolution: driving better resilient crops against environmental instability

Green revolution to genome revolution: driving better resilient crops against environmental instability

CRISPR for accelerating genetic gains in under-utilized crops of the drylands: Progress and prospects

Structural and functional analysis of CCT family genes in pigeonpea

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