Tissue Culture in Forestry and Agriculture 1985
DOI: 10.1007/978-1-4899-0378-5_2
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Patterns of Development in Culture

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Cited by 52 publications
(22 citation statements)
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“…It is worth noting that excised carrot hypocotyls are fully capable of synthesizing IAA but that this tissue can produce only roots without 2,4-D. Induction of the embryogenic potential requires treatment with exogenous auxin (1), and such a treatment seems to alter cellular IAA metabolism. One can speculate, as a working hypothesis, that 2,4-D does not induce embryogenesis directly by acting as a strong auxin but, rather, by altering the metabolism of endogenous IAA.…”
Section: H20 Labeling In Embryogenic Suspension Culturesmentioning
confidence: 99%
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“…It is worth noting that excised carrot hypocotyls are fully capable of synthesizing IAA but that this tissue can produce only roots without 2,4-D. Induction of the embryogenic potential requires treatment with exogenous auxin (1), and such a treatment seems to alter cellular IAA metabolism. One can speculate, as a working hypothesis, that 2,4-D does not induce embryogenesis directly by acting as a strong auxin but, rather, by altering the metabolism of endogenous IAA.…”
Section: H20 Labeling In Embryogenic Suspension Culturesmentioning
confidence: 99%
“…Despite an absolute requirement for auxin supplementation for sustained growth, cultured plant cells produce substantial amounts of the native auxin, IAA (12,21,22). This endoge-nous auxin seems to be essential for normal embryo formation during somatic embryogenesis as demonstrated by antiauxin and inhibitor studies (1,12,29). In carrot cells, exogenous 2,4-D, a synthetic auxin, actually stimulates the accumulation of large amounts of endogenous IAA, which seems to maintain callus proliferation and prevent the development of somatic embryos (19).…”
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“…Adventitious shoots can arise either directly from cultured plant material or indirectly from callus developed on the explant. Regeneration is potentiated through two morphogenic pathways: (i) organogenesis -the formation of unipolar organs (shoots or roots) and (ii) somatic embryogenesis -the production of somatic embryos with a root and a shoot meristem (Ammirato 1985). Adventitious shoot regeneration has been reported in highbush blueberry (Billings et al 1988;Dweikat and Lyrene 1988;Callow et al 1989;Rowland and Ogden 1992;Cao and Hammerschlag 2000), half-high blueberry (Graham et al 1996), cranberry (Marcotrigiano et al 1996;Qu et al 2000), lingonberry (Debnath and McRae 2002 ;Debnath 2005c) and bilberry and ohelo (Shibli and Smith 1996).…”
Section: Adventitious Shoot Regenerationmentioning
confidence: 99%
“…In concert with other plant hormones, auxin influences morphogenesis in plant tissue cultures and explants (30). Rela-tively high levels of auxin can induce embryogenesis and maintain the growth of embryogenic cells and proembryos of both dicots (1) and monocots (33). However, in media supporting embryogenic cultures a reduction in auxin concentration is re- ' Supported by National Institutes of Health grant GM303 17 and U.S. Department of Agriculture grant GE000707 to J. L. K. 2Present address: NPI, 417 Wakara Way, Salt Lake City, UT 84108. quired to induce their maturation into somatic embryos.…”
mentioning
confidence: 99%