2014
DOI: 10.5007/2175-7925.2014v27n4p21
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Analysis of meiotic behavior in Cordia ecalyculata Vell. (Boraginaceae)

Abstract: ResumoAnálise do comportamento meiótico em Cordia ecalyculata Vell. (Boraginaceae). A espécie Cordia ecalyculata pertence à família Boraginaceae, é conhecida popularmente por café de bugre. Para ins medicinais é indicada como tônico, diurético, anti-inlamatório e inibidor do apetite. Visando contribuir para um melhor entendimento da espécie, inlorescências jovens de seis indivíduos foram coletadas e ixadas em solução de etanol e ácido acético (3:1) por 24 h. As lâminas foram preparadas utilizando a técnica de … Show more

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Cited by 2 publications
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“…Delayed and early chromosomes off the equatorial plate were observed in metaphase and anaphase I. This abnormality may originate micronuclei in meiosis II (Kiihl et al, 2010) and in the post-meiotic products, associated with the formation of unbalanced gametes and consequent formation of inviable gametes (Nascimento et al, 2014a). No micronuclei were observed in S. mombin.…”
Section: Resultsmentioning
confidence: 99%
“…Delayed and early chromosomes off the equatorial plate were observed in metaphase and anaphase I. This abnormality may originate micronuclei in meiosis II (Kiihl et al, 2010) and in the post-meiotic products, associated with the formation of unbalanced gametes and consequent formation of inviable gametes (Nascimento et al, 2014a). No micronuclei were observed in S. mombin.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, the frequency of 2n pollen was low in I. dichotoma, I. domestica and their hybrids which exhibited a high frequency of dyad and triad. Additionally, microspores in tetrads could originate from an unequal chromosome division, usually leading to sterile pollen (Do Nascimento et al, 2014).…”
Section: Discussionmentioning
confidence: 99%