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Czasopismo

2016 | 75 |

Tytuł artykułu

Growth, proline content and proline-associated gene expression of autotetraploid Betula platyphylla responding to NaHCO3 stress

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Plant breeders have focused much attention on polyploid trees because of their resistance for forestry. To evaluate the impact of intraspecies genome duplication on NaHCO3 stress, a series of Betula platyphylla autotetraploids and diploids were generated from the same family. The growth, proline content and proline-associated gene expression of these autotetraploid individuals were compared with those diploid trees. Autotetraploids were superior in injury index and relative growth of height and base diameter compared to diploids. The proline content was higher in autotetraploid individuals compared to diploids. Gene expression data revealed autotetraploids were generally higher expression in BpP5CS1, BpP5CS2, Bp- P5CR1, BpP5CR2, BpP5CR3 and BpOAT and were lower expression in BpProDH and BpP5CDH compared to diploid trees. These results shed light on resistance variation in birch autotetraploidization and polyploidy breeding as a new approach for genetic improvement of birch trees.

Wydawca

-

Czasopismo

Rocznik

Tom

75

Opis fizyczny

p.123-129,fig.,ref.

Twórcy

autor
  • Key Laboratory for Forestry and Ecological Environment of Jilin Province, Forestry College, Beihua University, 132013, Jilin, China
autor
  • Research Center of Cold Temperate Forestry, Chinese Academy of Forestry, 150086, Harbin, China
  • Harbin Research Institute of Forestry Machinery, China State Forestry Administration, 150086, Harbin, China
autor
  • Jiaohe Forestry Experimental Area Administration, Jilin Province, 132517, Jiaohe, China
autor
  • Key Laboratory for Forestry and Ecological Environment of Jilin Province, Forestry College, Beihua University, 132013, Jilin, China
autor
  • Key Laboratory for Forestry and Ecological Environment of Jilin Province, Forestry College, Beihua University, 132013, Jilin, China
autor
  • Key Laboratory for Forestry and Ecological Environment of Jilin Province, Forestry College, Beihua University, 132013, Jilin, China

Bibliografia

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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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