Cytogenetic studies in triploid hybrids ofAquilegia

1945 ◽  
Vol 47 (1) ◽  
pp. 87-111 ◽  
Author(s):  
M. Skalińska
Keyword(s):  
Cytogenetic Studies

scholarly journals Chromosomal painting of the sandpiper (Actitis macularius) detects several fissions for the Scolopacidae family (Charadriiformes)

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Melquizedec Luiz Silva Pinheiro ◽  
Cleusa Yoshiko Nagamachi ◽  
Talita Fernanda Augusto Ribas ◽  
Cristovam Guerreiro Diniz ◽  
Patricia Caroline Mary O´Brien ◽  
...  
Keyword(s):  
Chromosome Painting ◽  
Diploid Number ◽  
Chromosomal Evolution ◽  
Long Distance ◽  
Chromosomal Painting ◽  
Cytogenetic Studies ◽  
Burhinus Oedicnemus ◽  
Clear Idea ◽  
First Time

Abstract Background The Scolopacidae family (Suborder Scolopaci, Charadriiformes) is composed of sandpipers and snipes; these birds are long-distance migrants that show great diversity in their behavior and habitat use. Cytogenetic studies in the Scolopacidae family show the highest diploid numbers for order Charadriiformes. This work analyzes for the first time the karyotype of Actitis macularius by classic cytogenetics and chromosome painting. Results The species has a diploid number of 92, composed mostly of telocentric pairs. This high 2n is greater than the proposed 80 for the avian ancestral putative karyotype (a common feature among Scolopaci), suggesting that fission rearrangements have formed smaller macrochromosomes and microchromosomes. Fluorescence in situ hybridization using Burhinus oedicnemus whole chromosome probes confirmed the fissions in pairs 1, 2, 3, 4 and 6 of macrochromosomes. Conclusion Comparative analysis with other species of Charadriiformes studied by chromosome painting together with the molecular phylogenies for the order allowed us to raise hypotheses about the chromosomal evolution in suborder Scolopaci. From this, we can establish a clear idea of how chromosomal evolution occurred in this suborder.

scholarly journals Cytogenetic Studies in Melandrium album I

CYTOLOGIA ◽  
1942 ◽  
Vol 12 (2-3) ◽  
pp. 347-355
Author(s):  
Kono Yasui
Keyword(s):  
Cytogenetic Studies ◽  
Melandrium Album

Cytogenetic Studies of Two Species of Porpoise

Nature ◽  
1967 ◽  
Vol 213 (5072) ◽  
pp. 189-190 ◽  
Author(s):  
DEBORAH A. DUFFIELD ◽  
SAM H. RIDGWAY ◽  
ROBERT S. SPARKES
Keyword(s):  
Cytogenetic Studies

INVESTIGATIONS ON RUBBER-BEARING PLANTS: IV. CYTOGENETIC STUDIES IN ASCLEPIAS (TOURN.) L.

1946 ◽  
Vol 24c (3) ◽  
pp. 66-73 ◽  
Author(s):  
Raymond J. Moore
Keyword(s):  
Chromosome Number ◽  
Natural Hybrids ◽  
Rubber Bearing ◽  
Cytogenetic Studies

The chromosome number of eight species and varieties of Asclepias (A. syriaca, A. incarnata and variety pulchra and forma albiflora, A. Sullivantii, A. tuberosa, A. curassavica, A. speciosa) was found to be 2n = 22.Various interspecific pollinations were attempted without success. A cross of A. incarnata with forma albiflora was successful.Possible natural hybrids between A. syriaca and A. speciosa and between A. incarnata and var. pulchra and forma albiflora are described. Two unusual chimaeral plants of A. incarnata that produced several stems of forma albiflora are described.

scholarly journals Cytogenetic Studies in Mexican Populations of Species of Crotalaria L. (Leguminosae-Papilionoideae).

CYTOLOGIA ◽  
1991 ◽  
Vol 56 (3) ◽  
pp. 343-351 ◽  
Author(s):  
Guadalupe Palomino ◽  
Ricardo Vázquez
Keyword(s):  
Cytogenetic Studies ◽  
Mexican Populations

Cytogenetic studies of familial Prader-Willi syndrome

1984 ◽  
Vol 65 (4) ◽  
pp. 325-330 ◽  
Author(s):  
T. Hasegawa ◽  
M. Hara ◽  
M. Ando ◽  
M. Osawa ◽  
Y. Fukuyama ◽  
...  
Keyword(s):  
Prader Willi Syndrome ◽  
Cytogenetic Studies
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