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30 recherche sur le mot-clé
'Amino acids' 
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R. Simpson ; M. Dalling | 1981article/chapitre/communication
C. Schobert ; E. Komor | 1989article/chapitre/communication
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The contents of sucrose and amino acids in the leaves, phloem sap and taproots have been analysed in three experimental hybrids of sugar beet and compared with earlier analysed leaf and phloem sap contents in spinach and barley. The three hybrid[...]article/chapitre/communication
P. Andersen ; B. Brodbeck ; R. Mizell | 1989article/chapitre/communication
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H. Van Emden | 1990article/chapitre/communication
J. Rhodes ; P. Croghan ; A. Dixon | 1996Ingestion, excretion and respiration in aphids were studied using artificial diets labelled with radioactive sucrose or amino acids. The rate of ingestion of a 25 % w/v sucrose diet was 12.4 nl mg(-1) h(-1) and the honeydew excretion rate was 5.[...]article/chapitre/communication
I. Liadouze ; G. Febvay ; J. Guillaud ; G. Bonnot | 1995Free amino acid pools were analysed in Acyrthosiphon pisum reared on Vicia faba L. and on three artificial diets with different amino acid profiles: diets A and B copying the very unbalanced profiles of phloem saps of alfalfa and broad bean resp[...]article/chapitre/communication
J. Abisgold ; S. Simpson ; A. Douglas | 1994A recently developed framework was applied to investigate the responses of newborn pea aphids, Acyrthosiphon pisum (Harris) (Homoptera: Aphididae), to simultaneous variations ip dietary sucrose and amino acid levels. The location of functional '[...]article/chapitre/communication
A. Douglas | 1996Pea aphids (Acyrthosiphon pisum) treated at birth with the antibiotic, rifampicin, to disrupt the symbiotic bacteria (i.e, aposymbiotic aphids) grow very slowly, The growth of embryos in the aposymbiotic aphids was particularly depressed, such t[...]article/chapitre/communication
J. Weibull ; S. Brishammar ; J. Petterson | 1986article/chapitre/communication
A. Telang ; J. Sandstrom ; E. Dyreson ; N. Moran | 1999The feeding behavior of Diuraphis noxia Mordvilko (Homoptera: Aphididae) on susceptible hosts causes both ultrastructural and tissue level damage which may affect phloem composition. Genetic evidence suggests that endosymbiotic bacteria in most [...]article/chapitre/communication
J. Sandstrom ; N. Moran | 1999Aphids harbour intracellular symbionts (Buchnera) that provide their host with amino acids present in low amounts in their diet, phloem sap. To find out the extent to which aphids depend on their symbionts for synthesis of individual essential a[...]article/chapitre/communication
J. Chen ; Y. Rahbe ; B. Delobel ; N. Sauvion ; J. Guillaud ; G. Febvay | 1997In the melon, the Vat (monogenic, dominant) resistance gene governs both an antixenotic reaction to the melon aphid Aphis gossypii Clover (Homoptera, Aphididae) and a resistance to non-persistent virus transmission, restricted to this vector spe[...]
