Role of carbohydrates in insect resistance in Phaseolus vulgaris

Gatehouse, Angharad M. R.; Dobie, P.; Hodges, Richard; Meik, J.; Pusztai, Á.; Boulter, D.

doi:10.1016/0022-1910(87)90032-1

Cited by 43 publications

(21 citation statements)

References 28 publications

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“…Interestingly, the two host plant species ( C. chilensis and C. bonariensis ) do not differ in seed size or seed nitrogen content [29], which are general indicators of host quality for seed beetles [14], [43]–[45]. Thus, it is likely that the observed pattern of local host adaptation in bruchid performance results from the specific exploitation of a particular nutritional factor [46] or to differences in seed coat properties [47]. These hypotheses deserve further investigation.…”

Section: Discussionmentioning

confidence: 99%

Local Host Adaptation and Use of a Novel Host in the Seed Beetle Megacerus eulophus

Stotz

Suárez

Gonzáles³

et al. 2013

PLoS ONE

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Spatial variation in host plant availability may lead to specialization in host use and local host adaptation in herbivorous insects, which may involve a cost in performance on other hosts. We studied two geographically separated populations of the seed beetle Megacerus eulophus (Coleoptera: Bruchidae) in central Chile: a population from the host Convolvulus chilensis (in Aucó) and a population from C. bonariensis (in Algarrobo). In Aucó C. chilensis is the only host plant, while in Algarrobo both C. bonariensis and C. chilensis are available. We tested local adaptation to these native host plants and its influence on the use of another, exotic host plant. We hypothesized that local adaptation would be verified, particularly for the one-host population (Aucó), and that the Aucó population would be less able to use an alternative, high-quality host. We found evidence of local adaptation in the population from C. chilensis. Thus, when reared on C. chilensis, adults from the C. chilensis population were larger and lived longer than individuals from the C. bonariensis population, while bruchids from the two populations had the same body size and longevity when reared on C. bonariensis. Overall, bruchids from the C. chilensis population showed greater performance traits than those from the C. bonariensis population. There were no differences between the bruchid populations in their ability to use the alternative, exotic host Calystegia sepium, as shown by body size and longevity patterns. Results suggest that differences in local adaptation might be explained by differential host availability in the study populations.

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Section: Discussionmentioning

confidence: 99%

Local Host Adaptation and Use of a Novel Host in the Seed Beetle Megacerus eulophus

Stotz

Suárez

Gonzáles³

et al. 2013

PLoS ONE

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“…These results corroborate data already available for the tested insect species (Guzmán-Maldonado et al 1996, Hartweck et al 1997 and the widely available literature showing that plant resistance to insects is species specific (Lara 1991, Panda & Khush 1995, Smith 2005. Differences in bean resistance to A. obtectus and Z. subfasciatus were related to the carbohydrate and protein fractions of P. vulgaris (Gatehouse et al 1987). While the carbohydrate fraction of a bean strain severely affected the development of A. obtectus, but not of Z. subfasciatus, the protein fraction of the same strain affected the development of Z. subfasciatus but had little or no effect on A. obtectus (Gatehouse et al 1987).…”

Section: Discussionmentioning

confidence: 87%

“…Differences in bean resistance to A. obtectus and Z. subfasciatus were related to the carbohydrate and protein fractions of P. vulgaris (Gatehouse et al 1987). While the carbohydrate fraction of a bean strain severely affected the development of A. obtectus, but not of Z. subfasciatus, the protein fraction of the same strain affected the development of Z. subfasciatus but had little or no effect on A. obtectus (Gatehouse et al 1987). These results indicate that the basis for resistance to these two pests in the strain tested was different and associated to multiple resistance mechanisms (Minney et al 1990).…”

Section: Discussionmentioning

confidence: 92%

No Correlation of Morpho-Agronomic Traits of Phaseolus vulgaris (Fabaceae) Genotypes and Resistance to Acanthoscelides obtectus (Say) and Zabrotes subfasciatus (Boheman) (Coleoptera: Chrysomelidae)

Guzzo

Vendramim²,

Chiorato

et al. 2015

Neotrop Entomol

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Resistance of common bean (Phaseolus vulgaris) varieties is an important tool to control Acanthoscelides obtectus (Say) and Zabrotes subfasciatus (Boheman) (Coleoptera: Chrysomelidae: Bruchinae) worldwide. However, bioassays to characterize the resistance of a genotype can be difficult to perform. Therefore, the current study sought to correlate the morpho-agronomic traits of P. vulgaris genotypes with their resistance to A. obtectus and Z. subfasciatus to facilitate genotype characterization. Bean samples of each genotype were infested with newly emerged insect couples, and the number of adults obtained in each genotype was quantified (value used as a resistance parameter). The resistance index was calculated by dividing the number of adults obtained in each genotype by the one obtained in the cultivar Bolinha, used as the standard for susceptibility. Fifty genotypes were evaluated for A. obtectus and 202 for Z. subfasciatus. All genotypes were characterized according to their resistance to each insect and 18 other morpho-agronomic traits, for a total of 19 descriptors. Principal component analyses did not show any correlation between insect resistance and the morpho-agronomic traits of the genotypes. Further, the thousand seeds weight (TSW), which is indicative of the genotype center of origin was tested considering genotypes from Mesoamerican with low TSW, while those from Andean with high TSW. Thus, the lack of correlation between genotype resistance and TSW indicates that resistance to A. obtectus and Z. subfasciatus in P. vulgaris is not related to the host center of origin.

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“…Numbers refer to polypeptides which were cut from the gels and then subjected LC-MS/MS analysis. MW Molecular weight marker 1983; Gatehouse et al 1987;Dobie et al 1990;Santino et al 1993). Here, we show that QUES has an antibiosis effect on bruchids which is similar (A. obtectus) or even better (Z. subfasciatus) to the effect of the Arc-4 containing genotype G12949 ( Fig.…”

Section: Discussionmentioning

confidence: 99%

QUES, a new Phaseolus vulgaris genotype resistant to common bean weevils, contains the Arcelin-8 allele coding for new lectin-related variants

et al. 2012

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Role of carbohydrates in insect resistance in Phaseolus vulgaris

Cited by 43 publications

References 28 publications

Local Host Adaptation and Use of a Novel Host in the Seed Beetle Megacerus eulophus

Local Host Adaptation and Use of a Novel Host in the Seed Beetle Megacerus eulophus

No Correlation of Morpho-Agronomic Traits of Phaseolus vulgaris (Fabaceae) Genotypes and Resistance to Acanthoscelides obtectus (Say) and Zabrotes subfasciatus (Boheman) (Coleoptera: Chrysomelidae)

QUES, a new Phaseolus vulgaris genotype resistant to common bean weevils, contains the Arcelin-8 allele coding for new lectin-related variants

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