Thus, RAFTIN1 assembly in the Ubisch body and the microspore exinewall is required for microspore development, probably for regulation of metabolite transport from the tapetum to the microspore.
Said sequences can act as microspore-specific promoters and can play a role in the expression of genes in microspores.
The present invention is related to isolated purified DNA sequences from the promoter region of a microspore-specific gene of tobacco.
RAFTIN1 is biosynthesized in the tapetum, transported into the Ubisch body, and further deposited onto the microspore exinewall.
Genetic material is inserted into a vector in a bacterium which is then co-cultivated with a microspore culture of the plant to be transformed.
Further, the invention relates to plants transformed with said chimeric genes.
The microgametophyte – a pollen grain which has germinated from a microspore – is employed for dispersal, only releasing its desiccation-prone sperm when it reaches a receptive megagametophyte.[35]
The microgametophyte – a pollen grain which has germinated from a microspore – is employed for dispersal, only releasing its desiccation-prone sperm when it reaches a receptive megagametophyte.[35]
The whole of the gametophytic 'generation' remains within the protection of the sporophyte except for pollen grains (which have been reduced to just three cells contained within the microspore wall).
Azizo kept applying baking soda and coconut oil, accompanied with cotton soaked in vinegar and taped to the skin.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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