Ceratopteris richardii morphology (left hand side) gametophytes develop as hermaphrodites or males sporophyte fronds are dimorphic. Bonap's north american plant atlas bonap home citation information map color key ceratopteris ceratopteris pteridoides ceratopteris richardii.
Abstract spores of the fern ceratopteris richardii can develop as either males or hermaphrodites the difference in sex is determined by the. Figure 1 the ceratopteris richardii sporophyte (a) a whole plant with reproductive (arrow) and vegetative leaves the vegetative leaves are less dissected than. Laboratory investigations with c-fern™ (ceratopteris richardii) pages 143-176, in tested studies for laboratory teaching, volume 19 (s j karcher editor.
Genetic map-based analysis of genome structure in the homosporous fern ceratopteris richardii takuya nakazato, min-kyung jung, elizabeth a housworth,. Dent that the fern ceratopteris richardii provides remarkable opportunities for developmental, physiological, genetic, and, with any luck,. Ceratopteris richardii is a fern species belonging to the genus ceratopteris, one of only two genera of the ceratopteridoideae subfamily of the pteridaceae. Ceratopteris richardii brongniart, dict class hist nat 3: 351 1823 ceratopteris deltoidea benedict plants floating or rooted sterile leaves lanceolate to.
The prothalli of the fern ceratopteris richardii exhibit negative gravitropism when grown in darkness however, no sedimentable organelles or substances have. Using ceratopteris richardii karen s renzaglia thomas r warne leslie g hickok plants can make important contribu- tions in demonstrating basic biological. Ceratopteris richardii, a diploid, homosporous fern has been advanced as a model fern system however, the tenuous ability to transform the.
Sperm cell architecture, insemination, and fertilization in the model fern, ceratopteris richardii authors authors and affiliations renee lopez-smith email. First, i induced apogamy experimentally from the semi-aquatic fern ceratopteris richardii by culturing them on 25% glucose i discovered that c richardii. La description de ceratopteris richardii serait du à adolphe théodore de brongniart (1801-1876), qui était le fils de alexandre de brongniart.
Ceratopteris richardii is an ideal choice to be among the first ferns sequenced because of its extensive use as a genetic model system and in education (where it. Alternation of generations and experimental design: a guided-inquiry lab exploring the nature of the her1 developmental mutant of ceratopteris richardii.