Class III peroxidase: an indispensable enzyme for biotic/abiotic stress tolerance and a potent candidate for crop improvement

Kidwai, Maria; Ahmad, Iffat Zareen; Chakrabarty, Debasis

doi:10.1007/s00299-020-02588-y

Cited by 81 publications

(49 citation statements)

References 98 publications

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“…A large number of studies have shown that POD can remove excessive ROS from cells and maintain intracellular ROS levels. This is an important defense mechanism for plants to adapt to biotic and abiotic stresses [53][54][55]. The following physiological experiments showed that the POD activity of transgenic plants, especially in roots, was higher than that of wild-type plants before inoculation, 7 days and 14 days after inoculation (Figure 9).…”

Section: Discussionmentioning

confidence: 95%

Overexpression of MpbHLH transcription factor, an encoding ICE1-like protein, enhances Foc TR4-resistance of Cavendish banana

Hu²,

Xie

et al. 2022

Scientia Horticulturae

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Background: Fusarium wilt is a worldwide problem that restrains the development of banana industry. Isolation and identification of resistance genes is not only significance for the selection of disease resistant varieties, but also important for banana molecular breeding.Results: In this study, an ICE1-like transcription factor containing bHLH domain was cloned from Dajiao (Musa spp. ABB group) and named MpbHLH. We found that overexpression of MpbHLH in Cavendish banana (Musa spp. AAA group) could significantly enhance Fusarium wilt resistance which is caused by Foc TR4.Transcriptomics and proteomic analysis showed that phenylalanine ammonia lyase (PAL) and peroxidase (POD) were highly expressed in transgenic plants.Physiological experiments further revealed that transgenic plants, especially their roots, had high POD activity.Conclusions: Overexpression of MpbHLH up-regulates the phenylpropanoid pathway-related genes and POD-associated genes in transgenic Cavendish banana.These changes may eventually lead to the improvement of disease resistance.

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Section: Discussionmentioning

confidence: 95%

Overexpression of MpbHLH transcription factor, an encoding ICE1-like protein, enhances Foc TR4-resistance of Cavendish banana

Hu²,

Xie

et al. 2022

Scientia Horticulturae

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“…Recognition of the pathogen-produced signal molecules activates a cascade of plant biochemical reactions, including a rapid burst of reactive oxygen species where peroxidases play an essential role in catalyzing the oxidative reaction involving H 2 O 2 [ 71 ]. Two genes, evm.TU.7.19634 and evm.TU.719642 , were detected with similarity to a peroxidase ( P7 )-like gene.…”

Section: Discussionmentioning

confidence: 99%

Genome-Wide Association Mapping of Crown and Brown Rust Resistance in Perennial Ryegrass

Fois

Bellucci

Malinowska

et al. 2021

Genes

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A population of 239 perennial ryegrass (Lolium perenne L.) genotypes was analyzed to identify marker-trait associations for crown rust (Puccinia coronata f. sp. lolii) and brown rust (Puccinia graminis f. sp. loliina) resistance. Phenotypic data from field trials showed a low correlation (r = 0.17) between the two traits. Genotypes were resequenced, and a total of 14,538,978 SNPs were used to analyze population structure, linkage disequilibrium (LD), and for genome-wide association study. The SNP heritability (h2SNP) was 0.4 and 0.8 for crown and brown rust resistance, respectively. The high-density SNP dataset allowed us to estimate LD decay with the highest possible precision to date for perennial ryegrass. Results showed a low LD extension with a rapid decay of r2 value below 0.2 after 520 bp on average. Additionally, QTL regions for both traits were detected, as well as candidate genes by applying Genome Complex Trait Analysis and Multi-marker Analysis of GenoMic Annotation. Moreover, two significant genes, LpPc6 and LpPl6, were identified for crown and brown rust resistance, respectively, when SNPs were aggregated to the gene level. The two candidate genes encode proteins with phosphatase activity, which putatively can be induced by the host to perceive, amplify and transfer signals to downstream components, thus activating a plant defense response.

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“…The overexpression of those enzymes in transgenic plants increased pathogen resistance in vivo. Meanwhile, products of chitin breakdown, via phytoalexins action, to induce systemic defense response [55]. Insecticidal effects constitute another well documented chitinase activity.…”

Section: Spectrum Of Latex Proteinsmentioning

confidence: 99%

Functional Studies of Plant Latex as a Rich Source of Bioactive Compounds: Focus on Proteins and Alkaloids

Gracz-Bernaciak

Mazur

Nawrot

2021

IJMS

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Latex, a sticky emulsion produced by specialized cells called laticifers, is a crucial part of a plant’s defense system against herbivory and pathogens. It consists of a broad spectrum of active compounds, which are beneficial not only for plants, but for human health as well, enough to mention the use of morphine or codeine from poppy latex. Here, we reviewed latex’s general role in plant physiology and the significance of particular compounds (alkaloids and proteins) to its defense system with the example of Chelidonium majus L. from the poppy family. We further attempt to present latex chemicals used so far in medicine and then focus on functional studies of proteins and other compounds with potential pharmacological activities using modern techniques such as CRISPR/Cas9 gene editing. Despite the centuries-old tradition of using latex-bearing plants in therapies, there are still a lot of promising molecules waiting to be explored.

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Class III peroxidase: an indispensable enzyme for biotic/abiotic stress tolerance and a potent candidate for crop improvement

Cited by 81 publications

References 98 publications

Overexpression of MpbHLH transcription factor, an encoding ICE1-like protein, enhances Foc TR4-resistance of Cavendish banana

Overexpression of MpbHLH transcription factor, an encoding ICE1-like protein, enhances Foc TR4-resistance of Cavendish banana

Genome-Wide Association Mapping of Crown and Brown Rust Resistance in Perennial Ryegrass

Functional Studies of Plant Latex as a Rich Source of Bioactive Compounds: Focus on Proteins and Alkaloids

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