THE EVOLUTIONARY HISTORY OF DROSOPHILA BUZZATII. III. CYTOGENETIC RELATIONSHIPS BETWEEN TWO SIBLING SPECIES OF THE BUZZATII CLUSTER

Genetics ◽  
1982 ◽  
Vol 101 (3-4) ◽  
pp. 503-518 ◽  
Author(s):  
A Ruiz ◽  
A Fontdevila ◽  
M Wasserman
Keyword(s):  
Salivary Gland ◽  
Sibling Species ◽  
Related Species ◽  
Evolutionary History ◽  
South American ◽  
Closely Related Species ◽  
Drosophila Buzzatii ◽  
Repleta Group ◽  
Chromosomal Data ◽  
History Of

ABSTRACT Drosophila buzzatii has been found sympatric in Argentina with a closely-related sibling species, D. serido. The biogeographical, reproductive and chromosomal data allow us to combine these species into an evolutionary unit, the buzzatii cluster. Salivary gland chromosomes also have been used to determine their phylogenetic relationships with other closely related species, showing that the buzzatii cluster species share two inversions—2d  2 and 2s  6—with the species of the martensis cluster. Both clusters arose from South American populations of the ancestor of the mulleri complex, and we propose to include D. buzzatii and D. serido in the mulleri complex of the repleta group.

scholarly journals Eversion and withdrawal of an intromittent organ before sexual maturation prepares male beetles for copulation

2017 ◽  
Vol 4 (8) ◽  
pp. 161029 ◽  
Author(s):  
Yoko Matsumura ◽  
Takuya Kubo
Keyword(s):  
Phylogenetic Tree ◽  
Sexual Maturation ◽  
Related Species ◽  
Evolutionary History ◽  
Active State ◽  
Surface Structures ◽  
Closely Related Species ◽  
Spermathecal Duct ◽  
History Of ◽  
Coiled State

Some species of criocerine beetles have a hyper-elongated part of the intromittent organ called a flagellum. In resting position, the flagellum is stored in a specialized internal sac in the intromittent organ. This specialized state of the flagellum and internal sac is indispensable during copulation for flagellar insertion into the female spermathecal duct for sperm transfer. However, the morphogenesis of the flagellum does not generate the active state of the flagellum; rather, the flagellum is generated in an inactive and completely coiled state. After eclosion, males of Lema coronata evert and withdraw the internal sac multiple times before sexual maturation, without mounting a female. This behaviour serves to uncoil the flagellum and guide it into the active state with the aid of surface structures on the internal sac. A closely related species, Lema dilecta , also has a long flagellum and undergoes the same behaviour to place the flagellum in the active position. However, some other species of criocerine beetles with much shorter flagella can attain the active state without exhibiting this behaviour. Based on a previously proposed phylogenetic tree, we discuss the evolutionary history of the hyper-elongation of the flagellum and associated behaviour.

scholarly journals What does mitogenomics tell us about the evolutionary history of the Drosophila buzzatii cluster (repleta group)?

PLoS ONE ◽  
2019 ◽  
Vol 14 (11) ◽  
pp. e0220676 ◽  
Author(s):  
Nicolás Nahuel Moreyra ◽  
Julián Mensch ◽  
Juan Hurtado ◽  
Francisca Almeida ◽  
Cecilia Laprida ◽  
...  
Keyword(s):  
Evolutionary History ◽  
Drosophila Buzzatii ◽  
Repleta Group ◽  
History Of

scholarly journals Evolutionary history of the Drosophila bipectinata species complex

2005 ◽  
Vol 85 (1) ◽  
pp. 23-46 ◽  
Author(s):  
ARTYOM KOPP ◽  
OLGA BARMINA
Keyword(s):  
Related Species ◽  
Genetic Divergence ◽  
Species Complex ◽  
Evolutionary History ◽  
Genetic Basis ◽  
Functional Differentiation ◽  
Sympatric Species ◽  
Closely Related Species ◽  
Drosophila Bipectinata ◽  
History Of

Groups of recently diverged species offer invaluable glimpses into the history and genetic basis of speciation and phenotypic evolution. In this report, we combine phylogenetic and population-genetic approaches to reconstruct the evolutionary history of the Drosophila bipectinata species complex. This complex is a group of four closely related, largely sympatric species – D. bipectinata, D. parabipectinata, D. malerkotliana and D. pseudoananassae. Using the sequences of one mitochondrial and six nuclear loci, we show that D. bipectinata and D. parabipectinata are the two most closely related species, and that together with D. malerkotliana they form a monophyletic clade to which D. pseudoananassae is a relatively distant outgroup. Genetic divergence among D. bipectinata, D. parabipectinata and D. malerkotliana is extremely low, and we estimate that these species diverged only 283000–385000 years ago. We also find that mitochondrial DNA shows evidence of recent gene flow across species boundaries. Despite the low genetic divergence, species of the bipectinata complex show an unusually high degree of morphological differentiation. This contrast underscores the importance of understanding the genetic basis of functional differentiation among closely related species.

scholarly journals Allometry and Interspecific Differences in the Facial Cranium of Two Closely Related Macaque Species

2011 ◽  
Vol 2011 ◽  
pp. 1-7 ◽  
Author(s):  
Tsuyoshi Ito ◽  
Takeshi Nishimura ◽  
Masanaru Takai
Keyword(s):  
Body Size ◽  
Related Species ◽  
Evolutionary History ◽  
Macaca Fascicularis ◽  
Size Variation ◽  
Critical Feature ◽  
Closely Related Species ◽  
Macaque Monkeys ◽  
Interspecific Differences ◽  
History Of

Interpreting evolutionary history of macaque monkeys from fossil evidence is difficult, because their evolutionary fluctuations in body size might have removed or formed important morphological features differently in each lineage. We employed geometric morphometrics to explore allometric trajectories of craniofacial shape in two closely related species, Macaca fascicularis and M. fuscata. These two species exhibit a single shared allometric trajectory in superoinferior deflection of the anterior face, indicating that the differences in this feature can be explained by size variation. In contrast, two parallel trajectories are demonstrated in craniofacial protrusion, indicating that even if they are comparable in size, M. fuscata has a higher and shorter face than M. fascicularis. The degree of facial protrusion is most likely a critical feature for phyletic evaluation in the fascicularis group. Such analyses in various macaques would help to resolve controversies regarding phyletic interpretations of fossil macaques.

The evolutionary history of Drosophila buzzatii. XXIII. High content of nonsatellite repetitive DNA in D. buzzatii and in its sibling D. koepferae

Genome ◽  
1992 ◽  
Vol 35 (6) ◽  
pp. 967-974 ◽  
Author(s):  
I. Marin ◽  
M. Labrador ◽  
A. Fontdevila
Keyword(s):  
Repetitive Dna ◽  
Sibling Species ◽  
Genomic Dna ◽  
Repetitive Sequences ◽  
Polytene Chromosomes ◽  
Drosophila Buzzatii ◽  
Repleta Group ◽  
Wide Variability ◽  
History Of

The frequency and types of repetitive nonsatellite DNA of two sibling species of the repleta group of Drosophila, D. buzzatii, and D. koepferae have been determined. For each species, the analysis is based on a sample of more than 100 clones (400 kb) obtained from genomic DNA. A theoretical model has been developed to correct for the presence of a mixture of repetitive and unique DNA in these clones. After correction, a high content of repetitive DNA has been demonstrated for both species (D. buzzatii, 19–26%; D. koepferae, 27–32%). The repetitive sequences have been classified according to their hybridization pattern when used as probes against genomic DNA and by their in situ hybridization signals on polytene chromosomes. Data suggest that the main nonsatellite component of these species is simpler and more repetitive than that of D. melanogaster, pointing to a wide variability in content and class size distribution of repetitive DNA among Drosophila species.Key words: repetitive DNA, DNA evolution, Drosophila, repleta group, sibling species.

A comparative study of the life histories of Nematodirus battus and N. filicollis, nematode parasites of sheep

Parasitology ◽  
1959 ◽  
Vol 49 (3-4) ◽  
pp. 374-386 ◽  
Author(s):  
R. J. Thomas
Keyword(s):  
Life History ◽  
Intestinal Mucosa ◽  
Related Species ◽  
Life Histories ◽  
Basic Pattern ◽  
Culture Methods ◽  
Closely Related Species ◽  
Nematode Parasites ◽  
History Of ◽  
Comparative Description

1. The life history of N. battus is described, and a comparative description of the life history of N. filicollis is given.2. The life histories of these two species are compared with those of N. spathiger and N. helvetianus, two closely related species, and are shown to follow the same basic pattern, with minor variations in timing which appear to be specific in nature, and not related to differences in culture methods or host species.3. The pathogenesis of Nematodirus species is discussed and related to the migration of larvae into the intestinal mucosa during development.

Evolutionary History of Drosophila buzzatii. II. How Much Has Chromosomal Polymorphism Changed in Colonization?

Evolution ◽  
1982 ◽  
Vol 36 (4) ◽  
pp. 843 ◽  
Author(s):  
A. Fontdevila ◽  
A. Ruiz ◽  
J. Ocana ◽  
G. Alonso
Keyword(s):  
Evolutionary History ◽  
Chromosomal Polymorphism ◽  
Drosophila Buzzatii ◽  
History Of

Electrophoretic Comparison of Blood Proteins of Two Closely Related Species of South American Tortoises

Copeia ◽  
1967 ◽  
Vol 1967 (2) ◽  
pp. 481 ◽  
Author(s):  
Richard J. Newcomer ◽  
John W. Crenshaw
Keyword(s):  
Related Species ◽  
South American ◽  
Blood Proteins ◽  
Closely Related Species

scholarly journals Phylogenomics Reveals Clear Cases of Misclassification and Genus-Wide Phylogenetic Markers for Acinetobacter

2019 ◽  
Vol 11 (9) ◽  
pp. 2531-2541 ◽  
Author(s):  
Valeria Mateo-Estrada ◽  
Lucía Graña-Miraglia ◽  
Gamaliel López-Leal ◽  
Santiago Castillo-Ramírez
Keyword(s):  
Evolutionary History ◽  
Ad Hoc ◽  
Acinetobacter Calcoaceticus ◽  
Recent Attempt ◽  
Evolutionary Relationships ◽  
Closely Related Species ◽  
Acinetobacter Baumannii Complex ◽  
History Of ◽  
To Come ◽  
Clear Cases

Abstract The Gram-negative Acinetobacter genus has several species of clear medical relevance. Many fully sequenced genomes belonging to the genus have been published in recent years; however, there has not been a recent attempt to infer the evolutionary history of Acinetobacter with that vast amount of information. Here, through a phylogenomic approach, we established the most up-to-date view of the evolutionary relationships within this genus and highlighted several cases of poor classification, especially for the very closely related species within the Acinetobacter calcoaceticus–Acinetobacter baumannii complex (Acb complex). Furthermore, we determined appropriate phylogenetic markers for this genus and showed that concatenation of the top 13 gives a very decent reflection of the evolutionary relationships for the genus Acinetobacter. The intersection between our top markers and previously defined universal markers is very small. In general, our study shows that, although there seems to be hardly any universal markers, bespoke phylogenomic approaches can be used to infer the phylogeny of different bacterial genera. We expect that ad hoc phylogenomic approaches will be the standard in the years to come and will provide enough information to resolve intricate evolutionary relationships like those observed in the Acb complex.

scholarly journals The evolutionary history of Drosophila buzzatii. XXXIII. Are Opuntia hosts a selective factor for the inversion polymorphism?

Heredity ◽  
1996 ◽  
Vol 77 (5) ◽  
pp. 500-508 ◽  
Author(s):  
Juan J Fanara ◽  
Esteban Hasson ◽  
Constantina Rodríguez ◽  
Mauro Santos ◽  
Antonio Fontdevila
Keyword(s):  
Evolutionary History ◽  
Inversion Polymorphism ◽  
Drosophila Buzzatii ◽  
History Of
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