Download e-book for kindle: Double fertilization : embryo and endosperm development in by Val Raghavan

By Val Raghavan

ISBN-10: 3540277919

ISBN-13: 9783540277910

ISBN-10: 3540277927

ISBN-13: 9783540277927

"Double Fertilization" offers a complete evaluate of all features of this relevant occasion within the replica and improvement of flowering vegetation. Written by way of Val Raghavan, The Ohio nation college, an said specialist in plant developmental biology, the booklet vividly describes the molecular and mobile steps of the original and intricate fertilization procedure that culminates within the formation of embryo and endosperm, targeting the newest effects from the version plant Arabidopsis. The textual content is complemented by means of very good illustrations, together with sixteen colour plates.

Since embryo and endosperm represent the fit for human consumption elements of many seeds and grains generic in human and animal food, an figuring out of the fertilization strategy has nice relevance for genetic engineering geared toward bettering the dietary caliber of crop crops. This ebook is splendid to researchers and graduate scholars looking a coherent view of present views on embryogenesis and endosperm improvement in flowering plants.

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Additional resources for Double fertilization : embryo and endosperm development in flowering plants

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1995). In plants displaying S phase karyogamy, male and female gametes that initiate karyogamy also begin with IC DNA. However, the gametic nuclei maintain courtship for a long period of time while they pass through S phase synchronously within the egg cytoplasm prior to completion of nuclear fusion, giving rise to a 4C zygote. 5 S phase karyogamy in Ephedra trifurca (Friedman 1991). In the third mechanism, known as G2 karyogamy, the gametic nuclei, even before they enter into courtship, complete the S phase of the cell cycle independently, doubling their DNA, and then fuse with each other to form a zygote.

Laser ablation of cells of the embryo sac of Torenia fournieri has identified the synergids as attractants of pollen tubes (Higashiyama et al. 2001). Implying a role for a combination of signals emanating from the ovule and the embryo sac, including the synergids in pollen tube guidance, it has been demonstrated that failure to attract pollen tubes is a way of life for ovules of several female gametophyte mutants oí Arabidopsis harboring defective embryo sacs (Hülskamp et al. 1995; Ray et al. 1997; Shimizu and Okada 2000).

7 technology' that does not allow embryos to grow Concluding Comments into seedlings when seeds are sown for a crop in the next generation - an age-old practice of farmers Insight into the essential role of a second fertilizawho save their best seeds from one year's harvest for tion event in the formation of endosperm in angioplanting in a subsequent growing season. The tech- sperm seeds came about as a result of the discovnological feat dubbed 'suicide seeds' has also not es- ery of double fertilization.

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Double fertilization : embryo and endosperm development in flowering plants by Val Raghavan

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