Journal ArticleDOI
Cyto-genetical investigations in some common cucurbits, with special reference to fragmentation of chromosomes as a physical basis of speciation.
P N Bhaduri,P C Bose +1 more
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Are sex chromosomes in higher pl,~nt~ nucleologenic?Abstract:
Introduction . M~t~rial and methods 0 bservations: Cucumis a~giz,u~ . Cucumis Memo Trichoaanth~ diolca Luffa aegyp~i~c,a . Luffa a~u~an~u~a . 6'o~iuia indica Beuincasa cerifera M~,mrdica cllarantia Cucurbita ~r~aarima Polysomaty Discussion (i) Numerica! correlation between m a~m um number ofnucleoli, sat~llltes and secondary constrictions (ii) Maximum number of nucleo]i ,lnd nucleolar constrictions of chromosomes witah reference to polyplcidy and aneuploidy . . . {iii) Variation of chromosome number in Cucm.bitaceac and R~. cytogsnetic interpretation (iv} Are sex chromosomes in higher pl,~nt~ nucleologenic? . Summary P, efsrsnces P A G ~read more
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Identification of suitable reference genes for studying gene expression in cucumber plants subjected to abiotic stress and growth regulators
M. Migocka,A. Papierniak +1 more
TL;DR: The authors of this study assume that the novel cucumber reference genes determined will enable better normalization and quantification of transcript levels in future expression studies on cucumber plants.
Book ChapterDOI
Cucumber: Cucumis sativus L.
TL;DR: The use of this vegetable is highlighted and its cytology, genetics, germplasm resources, and reproductive biology are reviewed and techniques applicable to the improvement of cucumber are described.
Journal ArticleDOI
Balancing selection in species with separate sexes: insights from fisher's geometric model
Tim Connallon,Andrew G. Clark +1 more
TL;DR: It is shown that balancing selection is common under biologically plausible conditions and that sex differences in selection or sex-by-genotype effects of mutations can each increase opportunities for balancing selection.
Journal ArticleDOI
Next‐generation sequencing, FISH mapping and synteny‐based modeling reveal mechanisms of decreasing dysploidy in Cucumis
Luming Yang,Dal-Hoe Koo,Da-Wei Li,Da-Wei Li,Tao Zhang,Jiming Jiang,Feishi Luan,Susanne S. Renner,Elizabeth Henaff,Walter Sanseverino,Jordi Garcia-Mas,Josep M. Casacuberta,Douglas Senalik,Douglas Senalik,Philipp W. Simon,Philipp W. Simon,Jinfeng Chen,Yiqun Weng,Yiqun Weng +18 more
TL;DR: A fine-scale understanding of the mechanisms of dysploid chromosome reduction that has not been achieved previously is allowed to be achieved.
Journal ArticleDOI
Centromere repositioning in cucurbit species: Implication of the genomic impact from centromere activation and inactivation
TL;DR: Both centromere activation and inactivation in cucurbit species were associated with a gain/loss of a large amount of pericentromeric heterochromatin.
References
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Journal ArticleDOI
The relation of a particular chromosomal element to the development of the nucleoli in Zea mays
TL;DR: The nucleolus is organized in the telophase through the activity of a distinct deep-staining body having a definite position in one chromosome (the satellited chromosome) of the monoploid complement through a reciprocal translocation which broke this body into two parts.
Journal ArticleDOI
Die Ursache der gesetzmässigen Zahl, Lage, Form und Grösse pflanzlicher Nukleolen
TL;DR: The physiological meaning of the nucleoli still remains one of the most obscure questions of the cytology as discussed by the authors, even after more than 100 years of the discovery of the Nukleolus.
Journal ArticleDOI
Chromosome Studies in Some Dioecious Plants, with Special Reference to the Allosomes
TL;DR: The chromosomes of the male plants of 17 genera, 22 species and 2 varieties of dioecious phanerogams have been investigated and the following 13 forms show each an unequal pair of chromosomes in addition to autosome pairs at the meiotic division in microsporocytes.
Journal ArticleDOI
The origin of iso-chromosomes
TL;DR: The misdivision and the origin of the iso-chromosome are each likely to be important as affecting the genetic structure of the chromosome and the mechanical properties of the centromere.
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