In vitro culture: an epigenetic challenge for plants
Abstract In vitro plant cell and tissue culture techniques are the basis of many micropropagation and breeding programs for scientific research. Plant tissue culture (PTC) involves organogenesis and embryogenesis, and the outcome depends on the different conditions to which the tissue is exposed. PTC is a stressful environment—high relative humidity, low ventilation rate, high concentrations of plant growth regulators, and low light availability—for plants that need to rapidly change their molecular regulation in order to respond fast and efficiently during cell division and growth. For instance, somatic embryogenesis (SE), which plays an important role in plant multiplication, requires complex cellular, biochemical and molecular processes for embryo formation and development. New data has come out about a connection between plant morphogenesis and epigenetics. Epigenetics is a very sensitive regulatory mechanism, which in most of cases is affected by the environment. Although it is known that, under plant morphogenesis, the genome has little or no change, DNA methylation and histone modifications are very susceptible to those in vitro environmental conditions. In the present review, we highlight the most used in vitro systems such as organogenesis and SE in plants and discuss how epigenetics plays a pivotal role in the phenotype outcome. Furthermore, we discuss the big role that the small RNAs have during cell division and propagation and propose different challenges and opportunities to study epigenetics in plant cell tissue and organ cultures..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2014 |
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| Erschienen: |
2014 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:118 |
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| Enthalten in: |
Plant cell, tissue and organ culture - 118(2014), 2 vom: 02. Apr., Seite 187-201 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Us-Camas, Rosa [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
DNA methylation |
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| Anmerkungen: |
© Springer Science+Business Media Dordrecht 2014 |
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| doi: |
10.1007/s11240-014-0482-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Abstract In vitro plant cell and tissue culture techniques are the basis of many micropropagation and breeding programs for scientific research. Plant tissue culture (PTC) involves organogenesis and embryogenesis, and the outcome depends on the different conditions to which the tissue is exposed. PTC is a stressful environment—high relative humidity, low ventilation rate, high concentrations of plant growth regulators, and low light availability—for plants that need to rapidly change their molecular regulation in order to respond fast and efficiently during cell division and growth. For instance, somatic embryogenesis (SE), which plays an important role in plant multiplication, requires complex cellular, biochemical and molecular processes for embryo formation and development. New data has come out about a connection between plant morphogenesis and epigenetics. Epigenetics is a very sensitive regulatory mechanism, which in most of cases is affected by the environment. Although it is known that, under plant morphogenesis, the genome has little or no change, DNA methylation and histone modifications are very susceptible to those in vitro environmental conditions. In the present review, we highlight the most used in vitro systems such as organogenesis and SE in plants and discuss how epigenetics plays a pivotal role in the phenotype outcome. Furthermore, we discuss the big role that the small RNAs have during cell division and propagation and propose different challenges and opportunities to study epigenetics in plant cell tissue and organ cultures. | ||
| 650 | 4 | |a In vitro | |
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| 650 | 4 | |a Histone modifications | |
| 650 | 4 | |a Somatic embryogenesis | |
| 650 | 4 | |a Somaclonal variation | |
| 650 | 4 | |a Organogenesis | |
| 700 | 1 | |a Rivera-Solís, Gustavo |4 aut | |
| 700 | 1 | |a Duarte-Aké, Fátima |4 aut | |
| 700 | 1 | |a De-la-Peña, Clelia |4 aut | |
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