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ANTHERIDIOGEN

Antheridiogen

Male inducing pheromone in ferns

Antheridiogens are a class of chemicals secreted by fern gametophytes that have "been shown to influence production of male gametangia and thus mating

Antheridiogen

Vinylcyclopropane rearrangement

Chemical reaction

to build the spirocyclic natural product alpha-vetispirene in 1982. Antheridiogen-An was prepared using a Lewis-acid mediated late-stage vinylcyclopropane

Vinylcyclopropane rearrangement

Vinylcyclopropane_rearrangement

Pheromone

Chemical emitted to trigger a response among the same species

simultaneously. In plants, some homosporous ferns release a chemical called antheridiogen, which affects sex expression. This is very similar to pheromones. This

Pheromone

Environmental sex determination

Method of sex-determination

release a chemical pheromone known as Antheridiogen which controls the sex of nearby developing gametophytes. Antheridiogen secreted by females promotes the

Environmental sex determination

Environmental_sex_determination

Biological sex

Trait that determines an organism's sexually reproductive function

previously supported hermaphrodites are influenced by the pheromone antheridiogen to develop as male. The bonelliidae larvae can only develop as males

Biological sex

Biological_sex

Gametophyte

Haploid stage in the life cycle of plants and algae

relationships with fungi. Homosporous ferns secrete a chemical called antheridiogen.[citation needed] Extant lycophytes produce two different types of gametophytes

Gametophyte

Pteris macilenta

Species of fern

become long-lived, changing shape and continuing to produce sex organs. Antheridiogen are chemicals that influence the growth of male reproductive parts and

Pteris macilenta

Pteris_macilenta

Ceratopteris richardii

Species of aquatic plant

hermaphrodites and male gametophytes, depending on the secretion of antheridiogen; this phenomenon has been used to study plant pheromones and the cascade

Ceratopteris richardii

Ceratopteris_richardii

Ceratopteris

Genus of aquatic plants

individuals develop into males. The hermaphrodite secretes a pheromone (antheridiogen) that tells others nearby to be male. Thus when plants are near each

Ceratopteris

Online names & meanings

Rideout

Surname or Lastname

English

Rideout

English : occupational name for an outrider, from Middle English rid(en) â€˜to rideâ€™ + out â€˜outâ€™, â€˜forthâ€™. An outrider (Middle English outridere) was an officer of a sheriffâ€™s court or of a monastery whose duties included riding out to collect dues and supervise manors.