β-1,3-Glucanases and chitinases participate in the stress-related defence mechanisms that are possibly connected with modulation of arabinogalactan proteins (AGP) required for the androgenesis initiation in rye (Secale cereale L.)

Zieliński, Kamil; Dubas, Ewa; Gerši, Zuzana; Krzewska, Monika; Janas, Agnieszka; Nowicka, Anna; Matušíková, Ildikó; Żur, Iwona; Sakuda, Shohei; Moravčíková, Jana

doi:10.1016/j.plantsci.2020.110700

Cited by 11 publications

(17 citation statements)

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“…Another putative mechanism is an enzymatic release of mobile oligosaccharides from AGP glycan side chains that may act as signaling molecules possibly recognized by plasma membrane receptors (Showalter, 2001;Van Hengel and Roberts, 2002;Zagorchev et al, 2014;Silva J. et al, 2020). In spite of studies linking activity of plant chitinases with AGPs action in developmental processes (van Hengel et al, 2001;Dos Santos et al, 2006;Zielinski et al, 2021), this mechanism needs to be proven and membrane receptors recognizing AGP-borne oligosaccharide fragments are not yet characterized. AGPs crosslinked with other cellwall polysaccharides, especially pectins, can also modulate the plasma membrane-cell wall continuum and cell to cell adhesion (Schultz et al, 1998;Showalter, 2001).…”

Section: Arabinogalactan Proteinsmentioning

confidence: 99%

Arabinogalactan Proteins in Plant Roots – An Update on Possible Functions

2021

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Responsiveness to environmental conditions and developmental plasticity of root systems are crucial determinants of plant fitness. These processes are interconnected at a cellular level with cell wall properties and cell surface signaling, which involve arabinogalactan proteins (AGPs) as essential components. AGPs are cell-wall localized glycoproteins, often GPI-anchored, which participate in root functions at many levels. They are involved in cell expansion and differentiation, regulation of root growth, interactions with other organisms, and environmental response. Due to the complexity of cell wall functional and regulatory networks, and despite the large amount of experimental data, the exact molecular mechanisms of AGP-action are still largely unknown. This dynamically evolving field of root biology is summarized in the present review.

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Section: Arabinogalactan Proteinsmentioning

confidence: 99%

Arabinogalactan Proteins in Plant Roots – An Update on Possible Functions

2021

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“…Since direct correlation between the activity of β-1,3-glucanases and the final efficiency of the ME was not observed, it was supposed that β-1,3-glucanases mediate defense responses in the early stages of ME induction. We also assume that their activity is important only for the inhibition of gametophytic pollen development, because no activity of β-1,3-glucanases was found in competent and embryogenic microspores in the rye line responsive to ME (Zieliński et al, 2021). It might be related to the microspore wall remodeling via a rapid production of abnormal, calloserich sub intimal layer of cell walls (Dubas et al, 2013;Parra-Vega et al, 2015;Rivas-Sendra et al, 2019).…”

Section: Stress-related Proteinsmentioning

confidence: 99%

“…Moreover, these enzymes are undoubtedly essential for plant growth and development including microsporogenesis, pollen development or seed germination (Leubner-Metzger and Meins, 1999;Michalko et al, 2017). Their activities, leading to the production of (1→3)-linked β-glucan oligosaccharides with signaling properties were reported in both zygotic (Petrovská et al, 2010), somatic (Helleboid et al, 2000;Fráterová et al, 2013) as well as in microspore embryogenesis (Borderies et al, 2004;Muñoz-Amatriaín et al, 2009;Leljak-Levanić et al, 2015;Zieliński et al, 2021). Several β-1,3-glucanases were detected in stress pre-treated anthers of several plant species (Table 1).…”

Section: Stress-related Proteinsmentioning

confidence: 99%

“…Several β-1,3-glucanases were detected in stress pre-treated anthers of several plant species (Table 1). Recently, Zieliński et al (2021) identified an anther-specific and stress-responsive β-1,3-glucanase fraction of 26 kDa and several acidic isoforms in rye. Since direct correlation between the activity of β-1,3-glucanases and the final efficiency of the ME was not observed, it was supposed that β-1,3-glucanases mediate defense responses in the early stages of ME induction.…”

Section: Stress-related Proteinsmentioning

confidence: 99%

“…Both species belong to cereals economically valuable in Northern Europe and North America, due to its yield potential, specific nutritional values of grain and high tolerance to environmental conditions. Studies conducted on several DH lines (triticale) and F1 breeding lines (rye) highly differentiated in respect of ME effectiveness, gave us the possibility for more accurate identification of factors related to ME effectiveness ( Żur et al, 2008, 2009, 2015a,b, 2019Krzewska et al, 2012Krzewska et al, , 2017Nowicka et al, 2019;Zieliński et al, 2020Zieliński et al, , 2021. The phenomenon of ME was for the first time observed in 1964 (Guha and Maheshwari, 1964), but its complex and multifaceted nature makes it difficult to investigate, so still the mechanisms of molecular control and regulation have not yet been precisely described (Maraschin et al, 2005;Hosp et al, 2007;Elhiti et al, 2013;Seifert et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Proteins, Small Peptides and Other Signaling Molecules Identified as Inconspicuous but Possibly Important Players in Microspores Reprogramming Toward Embryogenesis

Dubas¹,

Żur²,

Moravčíková³

et al. 2021

Front. Sustain. Food Syst.

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In this review, we describe and integrate the latest knowledge on the signaling role of proteins and peptides in the stress-induced microspore embryogenesis (ME) in some crop plants with agricultural importance (i.e., oilseed rape, tobacco, barley, wheat, rice, triticale, rye). Based on the results received from the most advanced omix analyses, we have selected some inconspicuous but possibly important players in microspores reprogramming toward embryogenic development. We provide an overview of the roles and downstream effect of stress-related proteins (e.g., β-1,3-glucanases, chitinases) and small signaling peptides, especially cysteine—(e.g., glutathione, γ-thionins, rapid alkalinization factor, lipid transfer, phytosulfokine) and glycine-rich peptides and other proteins (e.g., fasciclin-like arabinogalactan protein) on acclimation ability of microspores and the cell wall reconstruction in a context of ME induction and haploids/doubled haploids (DHs) production. Application of these molecules, stimulating the induction and proper development of embryo-like structures and green plant regeneration, brings significant improvement of the effectiveness of DHs procedures and could result in its wider incorporation on a commercial scale. Recent advances in the design and construction of synthetic peptides–mainly cysteine-rich peptides and their derivatives–have accelerated the development of new DNA-free genome-editing techniques. These new systems are evolving incredibly fast and soon will find application in many areas of plant science and breeding.

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Triticale doubled haploid plant regeneration factors linked by structural equation modeling

Orłowska

2022

J Appl Genetics

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Triticale regeneration via anther culture faces many difficulties, e.g., a low percentage of regenerated plants and the presence of albinos. Plant regeneration may be affected by abiotic stresses and by ingredients added to the induction medium. The latter influences biochemical pathways and plant regeneration efficiency. Among such ingredients, copper and silver ions acting as cofactors for enzymatic reactions are of interest. However, their role in plant tissue cultures and relationships with biochemical pathways has not been studied yet.The study evaluated relationships between DNA methylation, changes in DNA sequence variation, and green plant regeneration efficiency influenced by copper and silver ions during triticale plant regeneration. For this purpose, a biological model based on donor plants and their regenerants, a methylation-sensitive amplified fragment length polymorphism, and structural equation modeling were employed.The green plant regeneration efficiency varied from 0.71 to 6.06 green plants per 100 plated anthers. The values for the components of tissue culture-induced variation related to cytosine methylation in a CHH sequence context (where H is A, C, or T) were 8.65% for sequence variation, 0.76% for DNA demethylation, and 0.58% for de novo methylation. The proposed model states that copper ions affect the regeneration efficiency through cytosine methylation and may induce mutations through, e.g., oxidative processes, which may interfere with the green plant regeneration efficiency. The linear regression confirms that the plant regeneration efficiency rises with increasing copper ion concentration in the absence of Ag ions in the induction medium. The least absolute shrinkage and selection operator regression shows that de novo methylation, demethylation, and copper ions may be involved in the green plant regeneration efficiency. According to structural equation modeling, copper ions play a central role in the model determining the regeneration efficiency.

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β-1,3-Glucanases and chitinases participate in the stress-related defence mechanisms that are possibly connected with modulation of arabinogalactan proteins (AGP) required for the androgenesis initiation in rye (Secale cereale L.)

Cited by 11 publications

References 105 publications

Arabinogalactan Proteins in Plant Roots – An Update on Possible Functions

Arabinogalactan Proteins in Plant Roots – An Update on Possible Functions

Proteins, Small Peptides and Other Signaling Molecules Identified as Inconspicuous but Possibly Important Players in Microspores Reprogramming Toward Embryogenesis

Triticale doubled haploid plant regeneration factors linked by structural equation modeling

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