Vania Helena Techio
Overview
Explore the profile of Vania Helena Techio including associated specialties, affiliations and a list of published articles.
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Articles
19
Citations
90
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Recent Articles
1.
Correa C, Vaio M, Lima Barrios S, do Valle C, Torres G, Techio V
Genome
. 2025 Jan;
PMID: 39889273
Urochloa P. Beauv. (formerly classified as Brachiaria (Trin.) Griseb.) is a genus of African perennial grasses that is extensively cultivated in tropical countries for cattle nutrition. Three of the most...
2.
Reis Soares N, Correa C, da Silva J, da Silva Negreiros J, Techio V, Torres G
Protoplasma
. 2021 Nov;
259(4):1099-1108.
PMID: 34762169
The species Piper hispidinervum, Piper aduncum, and Piper affinis hispidinervum have essential oils with high levels of safrole, dillapiole, and sarisan, respectively. Safrole is important for pharmaceutical and chemical industries,...
3.
Chaves A, Carvalho P, Ferreira M, Benites F, Techio V
Protoplasma
. 2021 Oct;
259(4):999-1011.
PMID: 34709474
Polyploidy is the main mechanism for chromosome number variation in Cynodon. Taxonomic boundaries are difficult to define and, although phylogenetic studies indicate that some species are closely related, the degree...
4.
Ferreira M, Glombik M, Pernickova K, Duchoslav M, Scholten O, Karafiatova M, et al.
J Exp Bot
. 2020 Oct;
72(2):254-267.
PMID: 33029645
Crossing over, in addition to its strictly genetic role, also performs a critical mechanical function, by bonding homologues in meiosis. Hence, it is responsible for an orderly reduction of the...
5.
Ferreira M, Chaves A, Rocha L, da Silva L, Kalthuk-Santos E, Techio V
Mol Biol Rep
. 2019 Oct;
47(1):261-267.
PMID: 31621017
Festuca L. has more than 600 perennial species described, which makes it the largest genus within the family Poaceae. In Brazil, only two native species of Festuca have been described,...
6.
da Rocha M, Chiavegatto R, Damasceno A, Rocha L, Souza Sobrinho F, Techio V
Chromosome Res
. 2019 Sep;
27(4):333-344.
PMID: 31485871
The genus Urochloa includes most of the important grasses and hybrids currently used as pastures in the tropical regions. Cytogenetic analyzes have identified some aneuploid hybrids that provide new perspectives...
7.
Chaves A, Chiavegatto R, Benites F, Techio V
Mol Biol Rep
. 2019 Jun;
46(5):4873-4881.
PMID: 31240527
Cynodon dactylon is characterized by taxonomic and systematic complexity, and polyploidy is one of the factors responsible for its genetic and morphological diversity. The aim of the present study was...
8.
de Campos Moraes I, de Campos Rume G, Souza Sobrinho F, Techio V
Mol Biol Rep
. 2019 Feb;
46(2):1931-1940.
PMID: 30710232
The aim of the study was to characterize the type of aneuploidy present in the hybrid Urochloa ruziziensis × Urochloa decumbens and to confirm the origin of the additional chromosomes...
9.
Ferreira M, Rocha L, Vitoriano M, Mittelmann A, Techio V
Mol Biol Rep
. 2018 Aug;
45(6):1663-1679.
PMID: 30121822
The grasses of the Lolium-Festuca complex show a prominent role in world agricultural scenario. Several studies have demonstrated that the plasticity of 45S rDNA sites has been recently associated with...
10.
Rocha L, Ferreira M, Cunha I, Mittelmann A, Techio V
Protoplasma
. 2018 Aug;
256(1):227-235.
PMID: 30069603
In this study, we evaluated the behavior of 45S ribosomal DNA (rDNA) sites during the meiosis of Lolium multiflorum. The reason to study it in this species is that 45S...