Observations on the Anatomy of Teratological Seedlings. II. On the Anatomy of some Polycotylous Seedlings of Centranthus ruber

Bexon, D.

doi:10.1093/aob/os-34.1.81

Cited by 7 publications

(5 citation statements)

References 2 publications

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“…A large number of anatomic studies on teratological seedlings were undertaken to elucidate obscure morphological problems for a better understanding of cotyledons’ origins (e.g., [ 5 , 11 , 12 , 13 , 18 , 21 , 61 , 62 , 63 , 64 , 65 , 66 ]). It was found that the modes of increasing or decreasing the number of cotyledons in a species could be explained by cotyledon fusion, loss, or fission [ 5 , 18 , 62 ].…”

Section: Advances In Polycotyly Researchmentioning

confidence: 99%

“…These research efforts revealed many genes or loci associated with the development of various cotyledon phenotypes in several species, as summarized in Chandler [ 2 ]. For example, genes such as xtc and amp1 that can generate polycotyly in Arabidopsis were identified [ 66 , 80 ]. These findings further confirmed that the development of polycotyly is genetically complicated and controlled by many genes across different chromosomes.…”

Section: Advances In Polycotyly Researchmentioning

confidence: 99%

“…The revealed polycotylous phenotypes raised questions on inheritance [ 4 ]. However, how much is known about polycotyly as a quantitative character (first suggested by Bexon [ 21 ]) remains an unanswered question of interest. The possible agronomic benefits of using polycotyly have not been adequately explored [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

“…In this review, we attempt to update the documentation of reports on polycotyly in plant species, highlight some lines of polycotyly research over the last two centuries, and present our thoughts on further research that can advance our knowledge about polycotyly. We hope that this review can allow for a better understanding of the extent of polycotyly occurrences in the taxonomic distribution of seed-bearing plant species and of polycotyly as a quantitative character [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

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Polycotyly: How Little Do We Know?

2024

Plants

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Polycotyly, an interesting characteristic of seed-bearing dicotyledonous plants with more than two cotyledons, represents one of the least explored plant characters for utilization, even though cotyledon number was used to classify flowering plants in 1682. Gymnosperm and angiosperm species are generally known to have one or two cotyledons, but scattered reports exist on irregular cotyledon numbers in many plant species, and little is known about the extent of polycotyly in plant taxa. Here, we attempt to update the documentation of reports on polycotyly in plant species and highlight some lines of research for a better understanding of polycotyly. This effort revealed 342 angiosperm species of 237 genera in 80 (out of 416) families and 160 gymnosperm species of 26 genera in 6 (out of 12) families with reported or cited polycotyly. The most advanced research included the molecular-based inference of the phylogeny of flowering plants, showing a significant departure from the cotyledon-based classification of angiosperm plants, and the application of genetic cotyledon mutants as tools to clone and characterize the genes regulating cotyledon development. However, there were no reports on breeding lines with a 100% frequency of polycotyly. Research is needed to discover plant species with polycotyly and to explore the nature, development, genetics, evolution, and potential use of polycotyly.

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Section: Advances In Polycotyly Researchmentioning

confidence: 99%

Section: Advances In Polycotyly Researchmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Polycotyly: How Little Do We Know?

2024

Plants

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“…The polycotyledony in yellow mustard has long been documented (e.g., see [21]), but little research has been done on yellow mustard polycotyledons. The Plant Gene Resources Plants 2023, 12, 3919 2 of 8 of Canada (PGRC; the Canadian national seed GenBank at Saskatoon) maintains a small world collection of 134 yellow mustard (Sinapis alba L.) accessions.…”

Section: Introductionmentioning

confidence: 99%

A Set of Yellow Mustard (Sinapis alba L.) Germplasm with Polycotyledony

2023

Plants

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A world collection of 132 yellow mustard (Sinapis alba L.) accessions was characterized in a greenhouse to identify germplasm with polycotyledony and to assess the genetic segregation of tricot and tetracot seedlings in selfed S1 and S2 generations. The effort identified a set of 46 yellow mustard accessions with frequent occurrences of polycotyledony. The revealed genetic segregations seemed to suggest the development of tricot and tetracot seedlings in yellow mustard was largely controlled by a combination of genes at multiple diallelic loci. The identified tricot germplasm can be used to facilitate the genetic and/or genomic analysis of polycotyledonous germplasm for a better understanding of genetic and developmental mechanisms conditioning polycotyledony and the development of yellow mustard lines for explorable tricot breeding.

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Schizokotylie und Pleiokotylie bei Delphinium ajacis

Haccius

1955

Z.Ver-erbungslehre

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Observations on the Anatomy of Teratological Seedlings. II. On the Anatomy of some Polycotylous Seedlings of Centranthus ruber

Cited by 7 publications

References 2 publications

Polycotyly: How Little Do We Know?

Polycotyly: How Little Do We Know?

A Set of Yellow Mustard (Sinapis alba L.) Germplasm with Polycotyledony

Schizokotylie und Pleiokotylie bei Delphinium ajacis

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