QTLs for stomatal and photosynthetic traits related to salinity tolerance in barley

Liu, Xiaohui; Fan, Yapeng; Mak, Michelle; Babla, Mohammad; Holford, Paul; Wang, Feifei; Guang, Chen; Scott, Grace; Gang, Wang; Shabala, Sergey; Zhou, Meixue; Chen, Zhonghua

doi:10.1186/s12864-016-3380-0

Cited by 70 publications

(39 citation statements)

References 61 publications

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“…Low transcript levels do not necessarily predict low protein levels since it has been shown that there is only a weak correlation between transcript and protein levels in cells (Kosti et al, 2016; Perl et al, 2017). Consistent with this finding, recent studies using single cell PCR analysis have shown that Pax7 transcript levels are below the limit of detection in approximately 10% of the satellite cells (Cosgrove et al, 2014; Quarta et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Transcriptional Profiling of Quiescent Muscle Stem Cells In Vivo

et al. 2017

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SUMMARY Muscle stem cells (MuSCs) persist in a quiescent state and activate in response to specific stimuli. The quiescent state is both actively maintained and dynamically regulated. However, analyses of quiescence have come primarily from cells removed from their niche. Although these cells are still quiescent, biochemical changes certainly occur during the isolation process. Here, we analyse the transcriptome of MuSCs in vivo utilizing MuSC-specific labelling of RNA. Notably, labelling transcripts during the isolation procedure revealed very active transcription of specific subsets of genes. However, using the transcription inhibitor α-amanitin, we show that the ex vivo transcriptome remains largely reflective of the in vivo transcriptome. Together, these data provide perspective on the molecular regulation of the quiescent state at the transcriptional level, demonstrate the utility of these tools for probing transcriptional dynamics in vivo, and provide an invaluable resource for understanding stem cell state transitions.

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Section: Discussionmentioning

confidence: 99%

Transcriptional Profiling of Quiescent Muscle Stem Cells In Vivo

et al. 2017

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“…As was previously discussed, g s , canopy structure, and functional stay-green are among the most addressed traits studied to improve plant photosynthesis in crops. The relationship between QTLs and gs has been established in rice [160][161][162], wheat [163][164][165][166], barley [167,168], and sorghum [169], although a more in-depth mapping is required to enable the identification of genes directly related to the anatomy and functioning of the stomata. Changes in leaf angle and plant architecture are features of interest in cereal breeding programs [170,171].…”

Section: Photosynthesis-based Breeding Under the Scenario Of Global Cmentioning

confidence: 99%

Photosynthetic Metabolism under Stressful Growth Conditions as a Bases for Crop Breeding and Yield Improvement

Morales

Ancín

Fakhet

et al. 2020

Plants

127

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Increased periods of water shortage and higher temperatures, together with a reduction in nutrient availability, have been proposed as major factors that negatively impact plant development. Photosynthetic CO2 assimilation is the basis of crop production for animal and human food, and for this reason, it has been selected as a primary target for crop phenotyping/breeding studies. Within this context, knowledge of the mechanisms involved in the response and acclimation of photosynthetic CO2 assimilation to multiple changing environmental conditions (including nutrients, water availability, and rising temperature) is a matter of great concern for the understanding of plant behavior under stress conditions, and for the development of new strategies and tools for enhancing plant growth in the future. The current review aims to analyze, from a multi-perspective approach (ranging across breeding, gas exchange, genomics, etc.) the impact of changing environmental conditions on the performance of the photosynthetic apparatus and, consequently, plant growth.

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“…Liu et al (2017) related stomatal traits and yield to salinity tolerance, and found QTLs on chromosomes 1H (11 cM) and 3H (58.9 cM) associated with grain yield, and QTLs on chromosome 1H (121.4 cM) and 2H (10.3 cM) associated with stomatal pore area and stomatal conductance, respectively. Moreover, QTLs associated with salinity tolerance were identified at different developmental stages such as salinity tolerance at germination (Mano and Takeda 1997), seedling (Ellis et al 2002;Mano and Takeda 1997), and reproductive stage (Liu et al 2017;Xue et al 2009). Barati et al (2017) identified several QTLs contributing to agronomic performance in the field under nonsaline and saline conditions using a doubled-haploid population derived from Clipper and Sahara.…”

Section: Soil Salinitymentioning

confidence: 99%

Genomic and Genetic Studies of Abiotic Stress Tolerance in Barley

Saadé

Negrão

Plett

et al. 2018

Compendium of Plant Genomes

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Barley is a resilient crop plant with higher tolerance than other cereal plants for several types of abiotic stress. In this chapter, we describe the genetic components underlying barley's response to abiotic stresses, including soil acidity, boron toxicity, soil salinity, drought, temperature, and nutrient deficiency. We describe typical symptoms observed in barley in response to these stresses. We enumerate the major qualitative trait loci (QTLs) identified so far, such as FR-H1 and FR-H2 for low-temperature tolerance. We also discuss candidate genes that are the basis for stress tolerance, such as HVP10, which underlies the HvNax3 locus for salinity tolerance. Although knowledge about barley's responses to abiotic stresses is far from complete, the genetic diversity in cultivated barley and its close wild relatives could be further exploited to improve stress tolerance. To this end, the release of the barley high-quality reference genome provides a powerful tool to facilitate identification of new genes underlying barley's relatively high tolerance to several abiotic stresses. Early research on the genetic control of Al tolerance in barley using the Dayton (Al-tolerant) and Smooth Awn 86 (Al-sensitive) genotypes detected a major locus, Alp, on the long arm of chromosome 4H (4HL) (Minella and Sorrells 1992; Reid 1971). Another early study found that a single gene, named Pht, on

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QTLs for stomatal and photosynthetic traits related to salinity tolerance in barley

Cited by 70 publications

References 61 publications

Transcriptional Profiling of Quiescent Muscle Stem Cells In Vivo

Transcriptional Profiling of Quiescent Muscle Stem Cells In Vivo

Photosynthetic Metabolism under Stressful Growth Conditions as a Bases for Crop Breeding and Yield Improvement

Genomic and Genetic Studies of Abiotic Stress Tolerance in Barley

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