Temperature effect on the growth of Buchnera endosymbiont in Aphis craccivora (Hemiptera: Aphididae)

Chia Yu Chen, Chi-Yung Lai, Mei Hwa Kuo

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Effect of temperature on the growth of the primary endosymbiont Buchnera aphidicola in the cowpea aphid Aphis craccivora was studied by measuring quantitatively the copy number of 16S rDNA of this endosymbiont. A 1.5 kb segment of eubacterial 16S rDNA amplified by PCR from total DNA of Aphis craccivora was confirmed by RFLP analysis and sequence BLAST as that of Buchnera aphidicola. No secondary endosymbiont was detected in the aphid population studied. The relative levels of Buchnera ratio, quantified by real-time PCR, were higher in old nymphs than in young ones at temperatures between 10-30°C, and this age-dependent difference was more pronounced at lower temperatures. Throughout the entire reproductive stage of Aphis craccivora, the relative levels of Buchnera ratio were higher at 10-25°C than at 30°C and 35°C. A close relationship was found between these levels and the net reproductive rate (R0) of aphid, which was suppressed not only at 35°C but also at 10°C. The decoupling of Aphis craccivora and Buchnera response at low temperatures suggests that the cowpea aphid was more sensitive to low temperatures, while Buchnera was more sensitive to high temperatures.

Original languageEnglish
Pages (from-to)53-59
Number of pages7
JournalSymbiosis
Volume49
Issue number1
DOIs
Publication statusPublished - 2009 Oct 22

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Buchnera
Buchnera (Proteobacteria)
Aphis craccivora
Aphids
Hemiptera
endosymbionts
Aphididae
Temperature
Growth
Buchnera aphidicola
temperature
Ribosomal DNA
Aphidoidea
Nymph
Restriction Fragment Length Polymorphisms
nymphs
Sequence Analysis
Real-Time Polymerase Chain Reaction
restriction fragment length polymorphism
quantitative polymerase chain reaction

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)

Cite this

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title = "Temperature effect on the growth of Buchnera endosymbiont in Aphis craccivora (Hemiptera: Aphididae)",
abstract = "Effect of temperature on the growth of the primary endosymbiont Buchnera aphidicola in the cowpea aphid Aphis craccivora was studied by measuring quantitatively the copy number of 16S rDNA of this endosymbiont. A 1.5 kb segment of eubacterial 16S rDNA amplified by PCR from total DNA of Aphis craccivora was confirmed by RFLP analysis and sequence BLAST as that of Buchnera aphidicola. No secondary endosymbiont was detected in the aphid population studied. The relative levels of Buchnera ratio, quantified by real-time PCR, were higher in old nymphs than in young ones at temperatures between 10-30°C, and this age-dependent difference was more pronounced at lower temperatures. Throughout the entire reproductive stage of Aphis craccivora, the relative levels of Buchnera ratio were higher at 10-25°C than at 30°C and 35°C. A close relationship was found between these levels and the net reproductive rate (R0) of aphid, which was suppressed not only at 35°C but also at 10°C. The decoupling of Aphis craccivora and Buchnera response at low temperatures suggests that the cowpea aphid was more sensitive to low temperatures, while Buchnera was more sensitive to high temperatures.",
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Temperature effect on the growth of Buchnera endosymbiont in Aphis craccivora (Hemiptera : Aphididae). / Chen, Chia Yu; Lai, Chi-Yung; Kuo, Mei Hwa.

In: Symbiosis, Vol. 49, No. 1, 22.10.2009, p. 53-59.

Research output: Contribution to journalArticle

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