Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub

Chen, Yingying; Cao, Chuanjian; Guo, Zhujuan; Zhang, Qinghua; Li, Shuwen; Xiao, Zhang; Gong, Junqing; Shen, Yingbai

doi:10.1111/pce.13662

Cited by 26 publications

(25 citation statements)

References 103 publications

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“…Resistance to herbivores can also improve plant salt tolerance by inducing the accumulation of JA. 223 When plants are invaded by pathogens, they activate SA biosynthesis and induce systemic acquired resistance (SAR), whereas abiotic stress-induced ABA can inhibit SAR. 186 The SA-induced apoplast peptide hormone PLANT NATRIURETIC PEPTIDE A (PNP-A) can also effectively antagonize SA-mediated plant stress responses.…”

Section: Stress Resistance During Leaf Development Is Regulated By Ho...mentioning

confidence: 99%

“…Through phytohormones, plants undergo crosstalk between biotic stress and abiotic stress signaling. Resistance to herbivores can also improve plant salt tolerance by inducing the accumulation of JA . When plants are invaded by pathogens, they activate SA biosynthesis and induce systemic acquired resistance (SAR), whereas abiotic stress-induced ABA can inhibit SAR .…”

Section: Stress Resistance During Leaf Development Is Regulated By Ho...mentioning

confidence: 99%

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Roles of Phytohormones and Their Signaling Pathways in Leaf Development and Stress Responses

Zhao

Liu

Wang

et al. 2021

J. Agric. Food Chem.

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Phytohormones participate in various processes over the course of a plant’s lifecycle. In addition to the five classical phytohormones (auxins, cytokinins, gibberellins, abscisic acid, and ethylene), phytohormones such as brassinosteroids, jasmonic acid, salicylic acid, strigolactones, and peptides also play important roles in plant growth and stress responses. Given the highly interconnected nature of phytohormones during plant development and stress responses, it is challenging to study the biological function of a single phytohormone in isolation. In the current Review, we describe the combined functions and signaling cascades (especially the shared points and pathways) of various phytohormones in leaf development, in particular, during leaf primordium initiation and the establishment of leaf polarity and leaf morphology as well as leaf development under various stress conditions. We propose a model incorporating the roles of multiple phytohormones in leaf development and stress responses to illustrate the underlying combinatorial signaling pathways. This model provides a reference for breeding stress-resistant crops.

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Section: Stress Resistance During Leaf Development Is Regulated By Ho...mentioning

confidence: 99%

Section: Stress Resistance During Leaf Development Is Regulated By Ho...mentioning

confidence: 99%

Roles of Phytohormones and Their Signaling Pathways in Leaf Development and Stress Responses

Zhao

Liu

Wang

et al. 2021

J. Agric. Food Chem.

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“…The principle of NMT is to use the ion diffusion concentration difference into the potential difference so as to obtain the ion concentration, velocity, and direction (Hawkins & Robbins, 2010; Luo, Li, et al, 2013; Luo, Qin, & He, 2013). This methodology can be used for measuring instantaneous, dynamic ion absorption rates in vivo (Chen et al, 2020; Sa et al, 2019; Tang et al, 2016; Zhang et al, 2014; Zhou et al, 2020) and therefore enables direct assessment of potential, root‐area‐specific ion fluxes as affected by growth conditions. Besides, the technique can also be applied to mycorrhiza, as described in Sa et al (2019).…”

Section: Introductionmentioning

confidence: 99%

Inorganic nitrogen uptake rate of Picea asperata curtailed by fine root acclimation to water and nitrogen supply and further by ectomycorrhizae

Xie

Zhou

Liu

et al. 2021

Physiologia Plantarum

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Ectomycorrhizal (ECM) fungi colonization and function depend on soil water and nutrient supply. To study the effects of resource supply on ECM colonization and inorganic nitrogen (N) uptake by roots of Picea asperata seedlings, we conducted a study at the end of a 5‐year long experiment consisting of five watering regimes (40, 50, 60, 80, and 100% of field capacity) and three NH4NO3 application rates (0 [N0], 20 [N1], and 40 [N2] g N m−2 year−1). We measured fluxes of ammonium (NH4+) and nitrate (NO3−) into colonized and uncolonized roots using noninvasive microtest technology. We found that, across the N supply levels, ECM colonization rate increased by 53 ± 14% from the highest to the lowest level of water supply. Across the watering regimes, the fraction of mycorrhizal root tips was 39 ± 4% higher under native N supply compared to roots grown under N additions. As expected for conifers, both colonized and uncolonized roots absorbed NH4+ at a higher rate than NO3−. N additions reduced the instantaneous ion uptake rates of uncolonized roots grown under low water supply but enhanced the fluxes into roots grown under sufficient soil water availability. Soil water supply improves inorganic N uptake by uncolonized roots but reduces the efficiency of colonized roots. Under the lowest water supply regime, the uptake rate of NH4+ and NO3− by colonized roots was 40–80% of those by uncolonized roots, decreasing to 20–30% as soil water supply improved. Taken together, our results suggest that the role ectomycorrhizae play in the nutrient acquisition of P. asperata seedling likely diminishes with increasing availability of soil resources.

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“…Pop.). Both species are diploid with 18 chromosomes and exhibiting a wide range of adaptation [8,9].…”

Section: Introductionmentioning

confidence: 99%

Population Genetics and Evolution Analysis Reveal Diversity and Origin of Ammopiptanthus in China

Chai

Duan

Jiao

et al. 2021

Preprint

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Background Elucidating and revealing the population genetic structure, genetic diversity and recombination is essential for understanding the evolution and adaptation of species. Ammopiptanthus, which is an endangered survivor from the Tethys in the Tertiary Period, is the only evergreen broadleaf shrub grown in Northwest of China. However, little is known about its genetic diversity and underlying adaptation mechanisms. Results Here, 111 Ammopiptanthus individuals collected from fifteen natural populations in estern China were analyzed by means of the specific locus amplified fragment sequencing (SLAF-seq). Based on the single nucleotide polymorphisms (SNPs) and insertions and deletions (InDels) detected by SLAF-seq, genetic diversity and markers associated with climate and geographical distribution variables were identified. The results of genetic diversity and genetic differentiation revealed that all fifteen populations showed medium genetic diversity, with PIC values ranging from 0.1648 to 0.3081. AMOVA and Fst indicated that a low genetic differentiation existed among populations. Phylogenetic analysis showed that NX-BG and NMG-DQH of fifteen populations have the highest homology,while the genetic structure analysis revealed that these Ammopiptanthus germplasm accessions were structured primarily along the basis of their geographic collection, and that an extensive admixture occurred in each group. In addition, the genome-wide linkage disequilibrium (LD) and principal component analysis showed that Ammopiptanthus nanus had a more diverse genomic background, and all genetic populations were clearly distinguished, although different degrees of introgression were detected in these groups. Conclusion Our study could provide guidance to the future design of association studies and the systematic utilization and protection of the genetic variation characterizing the Ammopiptanthus.

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Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub

Cited by 26 publications

References 103 publications

Roles of Phytohormones and Their Signaling Pathways in Leaf Development and Stress Responses

Roles of Phytohormones and Their Signaling Pathways in Leaf Development and Stress Responses

Inorganic nitrogen uptake rate of Picea asperata curtailed by fine root acclimation to water and nitrogen supply and further by ectomycorrhizae

Population Genetics and Evolution Analysis Reveal Diversity and Origin of Ammopiptanthus in China

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