2015
DOI: 10.1007/s11240-015-0829-9
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Effect of n-butanol and cold pretreatment on the cytoskeleton and the ultrastructure of maize microspores when cultured in vitro

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Cited by 9 publications
(10 citation statements)
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References 78 publications
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“…Indeed, an unprecedentedly large number of beneficial alleles should be present within the paircross parents, since they originate from a recurrent selection programme to improve androgenicity (Niels Roulund, personal communication; Andersen et al 1997). Further increases in production efficiency and yield may be achieved by utilizing recent novel understanding of microspore embryogenesis processes (Żur et al 2014;Fábián et al 2015;Sinha and Eudes 2015) and progress in optimization of (pre-)culture conditions in other cereal species such as barley, wheat or triticale (Castillo et al 2014;Würschum et al 2015;Echá-varri and Cistué 2016). Genotypes with a uniquely high androgenic capacity could be selected in the present study (Table 1) and can now be used for the introgression of this trait into recalcitrant germplasm (Halberg et al 1990;Madsen et al 1995).…”
Section: Androgenic Capacitymentioning
confidence: 99%
“…Indeed, an unprecedentedly large number of beneficial alleles should be present within the paircross parents, since they originate from a recurrent selection programme to improve androgenicity (Niels Roulund, personal communication; Andersen et al 1997). Further increases in production efficiency and yield may be achieved by utilizing recent novel understanding of microspore embryogenesis processes (Żur et al 2014;Fábián et al 2015;Sinha and Eudes 2015) and progress in optimization of (pre-)culture conditions in other cereal species such as barley, wheat or triticale (Castillo et al 2014;Würschum et al 2015;Echá-varri and Cistué 2016). Genotypes with a uniquely high androgenic capacity could be selected in the present study (Table 1) and can now be used for the introgression of this trait into recalcitrant germplasm (Halberg et al 1990;Madsen et al 1995).…”
Section: Androgenic Capacitymentioning
confidence: 99%
“…Вавиловский журнал генетики и селекции / Vavilov Journal of Genetics and Breeding • 2019 • 23 • 1 Microspore embryogenesis in vitro: the role of stresses Позднее положительный эффект nбутанола в соста ве питательных сред в сходных концентрациях был под твержден в культуре пыльников мягкой пшеницы (Broughton, 2011), кукурузы (Földesiné et al, 2011Fábián et al, 2015) и ячменя (Castillo et al, 2014). В культуре пыльников кукурузы совместная обработка nбутанолом и пониженными температурами увеличила частоту от зывчивых пыльников у слабо отзывчивых генотипов.…”
Section: N-бутанолunclassified
“…В культуре пыльников кукурузы совместная обработка nбутанолом и пониженными температурами увеличила частоту от зывчивых пыльников у слабо отзывчивых генотипов. При комбинировании этих обработок выход эмбриои дов составил 20.9 % по сравнению с 0.5 % в контроле (Fábián et al, 2015).…”
Section: N-бутанолunclassified
“…Stress treatments applied for microspore embryogenesis induction modify many cell processes, and one of the most important for microspore embryogenesis is the occurrence of this symmetrical cell division, instead of the asymmetrical cell division that leads to the formation of the pollen grain. For example, heat stress causes a reorganization of the cytoskeleton that allows for the formation of a preprophase band and thus for symmetrical division (Simmonds and Keller 1999), cold pretreatment alters the actin filament network involved in the reorganization of the cytoplasm that contributes to microspore embryogenesis induction (Fábián et al 2015) and the microtubule depolymerization caused by colchicine repositions the nuclei of vacuolate microspores in the center of the cell, which in turn leads to symmetric division . However, another microspore culture system has been described in B. napus, which highly mimics zygotic embryo development (Supena et al 2008).…”
Section: Role Of Stress In Embryogenic Inductionmentioning
confidence: 99%
“…Specific changes in the cell ultrastructure include organelle-free regions, decrease in the number and size of starch granules and lipid bodies, modification in the density of ribosomes, changes in the thickness of cell wall layers or appearance of new ones, cytoskeletal rearrangements, morphologic changes in mitochondria and migration of the nucleus to the center of the cell (Fábián et al 2015;Maraschin et al 2005a;Parra-Vega et al 2015b;Rashid et al 1982;Telmer et al 1995). All of these changes lead to a cytoplasmic remodeling that allows for a symmetric division and the initiation of sporophytic development.…”
Section: Structural Markers Related To Embryogenic Inductionmentioning
confidence: 99%