Genetic Diversity in Protoplast- and Cell-Derived Plants of Potato

Jacobsen, E.

doi:10.1007/978-3-642-72773-3_25

Cited by 4 publications

(5 citation statements)

References 45 publications

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“…D'apres Evans et al (1987) De nombreux auteurs ont deja relcve, chez lcs plantcs de pomme de terre neoformees a partir d'explants divers ou de ccllules isolecs (protoplastes y compris), des changements de caryotypc (polyploldic, mixoplo"idie, aneuplo"idic accompagnee souvent de chimerismc) (Karp, 1989). Lcs variations du nombre de chromosomes sont plus etcnducs chez les neoformations issues de dihaplo"ides que chez cellcs provenant de tetraplo"ides (Srec H.amulu et al, 1986b ;Jacobsen, 1987).…”

Section: Discussion Et Conclusionunclassified

Etude cytogénétique de cals et de clones néoformés chez la pomme de terre cv. BF15 (2x) (H1)

Tizroutine

Rossignol

et al. 1994

Acta Botanica Gallica

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Section: Discussion Et Conclusionunclassified

Etude cytogénétique de cals et de clones néoformés chez la pomme de terre cv. BF15 (2x) (H1)

Tizroutine

Rossignol

et al. 1994

Acta Botanica Gallica

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“…They partly reflect karyotypic irregularities found in cell cultures of the potato clone used in this study (PIJNACKER et al, 1986) or in other diploid clones (SEE RAMULU et al, 1985). Hypotetraploid regenerants from diploid cell cultures of potato have been reported before (JACOBSEN, 1981, 1986a, 1986b, JACOBSEN et al, 1983.…”

Section: Discussionmentioning

confidence: 99%

“…However, it can not be ruled out that phenotypic alterations are due to a pleiotropic effect associated with hyp resistance, to structural chromosomal changes or to other causes of somaclonal variation as have been reviewed recently (KARP & BRIGHT, 1985;D'AMATO, 1986;JACOBSEN, 1986b).…”

Section: Discussionmentioning

confidence: 99%

“…Thus, in the future more attention should be paid to reducing somaclonal variation. This can probably be achieved by reducing the cell culture phase in the selection procedure (JACOBSEN, 1986b).…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, they possessed increased tolerance to both salinity and frost. From preliminary results it seemed that elevated amino acid content as well as increased frost tolerance were carried through regeneration (VAN SWAAIJ et al, 1986a, 1986b.…”

Section: Introductionmentioning

confidence: 99%

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Increased frost tolerance and amino acid content in leaves, tubers and leaf callus of regenerated hydroxyproline resistant potato clones

Swaaij¹,

Nijdam²,

Jacobsen³

et al. 1987

Euphytica

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Sohumtuberosum, potato, amino acids, amino acid analogue resistance, frost tolerance, plant regeneration, proline, somaclonal variation. SUMMARY A number of previously selected hydroxyproline (hyp) resistant cell lines of a diploid potato (Solunum tuberosum L., clone H2578, 2n=2x=24) could be regenerated into plants which were further analysed. Hyp resistance, although lower than in the originally selected calli, was still present in regenerated shoots and in callus initiated from these shoots and it was not lost upon (mini)tuber propagation. Regenerated shoots showed a wide range of phenotypic variation. The chromosome number, analysed in 4 clones, appeared to be hypotetraploid (44 or 45). Tuber-propagated regenerants generally showed increased frost tolerance both at the plant and the cell level. In leaves this seemed to be associated with increased levels of both proline and total amino acid content. However, in callus only the total amino acid content but not proline was still elevated. In the wild type the frost tolerance of the tubers appeared to be lower than that of the leaves. Between tubers of wild type and the hyp resistant regenerants no differences in frost tolerance were found, although proline and total amino acid content tended to be higher in tubers from the regenerants.

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Regeneration of Plants from Protoplasts of Levisticum officinale Koch (Lovage)

Guo

1995

Biotechnology in Agriculture and Forestry

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Genetic Diversity in Protoplast- and Cell-Derived Plants of Potato

Cited by 4 publications

References 45 publications

Etude cytogénétique de cals et de clones néoformés chez la pomme de terre cv. BF15 (2x) (H1)

Etude cytogénétique de cals et de clones néoformés chez la pomme de terre cv. BF15 (2x) (H1)

Increased frost tolerance and amino acid content in leaves, tubers and leaf callus of regenerated hydroxyproline resistant potato clones

Regeneration of Plants from Protoplasts of Levisticum officinale Koch (Lovage)

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