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ORGANOGENESIS
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SOMATIC EMBRYOGENESIS
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1. Organogenesis is the process of
morphogenesis involving the formation of plant organ i.e., shoot, root,
flowers, buds from explants or cultured plant tissues.
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1. The process of regeneration of embryos
from somatic cells, tissues, or organs is regarded as somatic (or asexual)
embryogenesis.
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2. During organogenesis, shoots or roots
develop from a group of cells resulting into Chimera formation which later
established a strong connection with the maternal tissues.
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2. The embryo arises from a single cell
and has no vascular connection with maternal callus tissue or cultured
explants.
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3. In the induction of organogenesis, it
requires two different hormonal signals to induce shoot first and then root
organ.
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3. Induction of somatic embryogenesis
requires a single hormonal signal to induce a bipolar structure capable of
forming a complete plant.
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4. Organogenesis is a monopolar
structure.
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4. Embryogenesis is a bipolar structure.
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Saturday, December 22, 2018
Organogenesis vs. Somatic embryogenesis
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PHASE CONTRAST MICROSCOPY
Introduction: Most cells are too small to be seen by the naked eyes, the study of cells has depended heavily on the use of microscopes. Mi...
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HYPERTROPHIC OBESITY HYPERPLASTIC OBESITY 1. Cell size increases. 1. Cell number increases. ...
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Nitrate Reductase (NR) shows cell-specific expression. For e.g., at low nitrate conc. NR is primarily found in the root epidermal while at ... -
GROWTH HORMONE: The hormone responsible for general somatic growth. It accounts for 4% to 10% of the wet weight of the anterior pituitar...
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