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| Huang,YC; Chen,H; Zhao,WJ; Li,WD; Yang,HY; Sun,Y; Wang,L; Cao,SH. |
| We conducted pot experiments on the cypress Thujopsis dolabrata (Linn. f.) Sieb. et Zucc. in order to study the interaction of silicon (Si) and root exudates on cadmium (Cd) bioavailability in the rhizosphere,. Each variety was planted with 100 mg/kg Cd and/or 400 mg/kg Si for 210 days. The results showed that adding Si increased Cd tolerance in T. dolabrata, but that the mechanism was specifical. In T. dolabrata, Si did not prevent Cd translocation from roots to shoots, and it significantly enhanced Cd accumulation without inhibiting growth. Moreover, Si mobilized Cd from the rhizospheric soil by stimulating phenolic exudation from the roots, suggesting that Cd-chelation combined with Si-induced phenolics were involved in Cd detoxification. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cadmium; Rhizosphere; Root exudation; Silicon; Thujopsis dolabrata. |
| Ano: 2016 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572016000200016 |
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| Zhang,T; Du,W; Lu,H; Wang,L. |
| ABSTRACT The black-bone chicken has special economic value in Chinese poultry breeds, which also are valued for the medicinal properties of their meat in traditional Chinese medicine. In order to protect the genetic resources of native black-bone chicken breeds, we analyzed the genetic diversity and matrilineal components of 64 mtDNA D-loop partial sequences from three native black-bone chicken breeds, together with reported 596 black-bone chicken mtDNA sequences from China, Japan, and Korea. A total of 108 haplotypes were observed from 73 variable sites. These domestic chicken mtDNA sequences could be assigned into seven clades (A-G). The results indicated that 71.97% of the black-bone haplotypes were related to the reference sequence that may originate... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chinese Black-bone Chicken; MtDNA; D-loop region; Haplotype; Maternal origin. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000300565 |
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