2008
DOI: 10.1007/s10886-008-9498-z
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Differential Levels of Insect Herbivory in the Field Associated with Genotypic Variation in Glucosinolates in Arabidopsis thaliana

Abstract: Glucosinolates are commonly found in Arabidopsis thaliana and its crucifer relatives, which are known for their role in defense against insect herbivory. In a common garden experiment, we assessed genotypic variation in glucosinolates in A. thaliana and evaluated the association between this chemistry and both plant damage and fitness. Specifically, glucosinolate concentrations were directly associated with damage levels and inversely associated with fitness. These results are contrary to the general expectati… Show more

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Cited by 125 publications
(123 citation statements)
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“…A selective sweep may have increased the frequency of the derived AOP and MAM haplotypes, causing extended LD (Palaisa et al 2004). This possibility is supported by the observation that the 3-hydroxypropyl GSL-accumulating accessions display the highest fitness in an environment with predominantly specialist insect herbivores that have evolved to overcome GSL defenses (Bidart-Bouzat and Kliebenstein 2008). Further, A. thaliana accessions possessing the 4C GSL-associated haplotype at the MAM locus showed the second-highest fitness in the same experiment (BidartBouzat and Kliebenstein 2008).…”
Section: Discussionmentioning
confidence: 93%
See 1 more Smart Citation
“…A selective sweep may have increased the frequency of the derived AOP and MAM haplotypes, causing extended LD (Palaisa et al 2004). This possibility is supported by the observation that the 3-hydroxypropyl GSL-accumulating accessions display the highest fitness in an environment with predominantly specialist insect herbivores that have evolved to overcome GSL defenses (Bidart-Bouzat and Kliebenstein 2008). Further, A. thaliana accessions possessing the 4C GSL-associated haplotype at the MAM locus showed the second-highest fitness in the same experiment (BidartBouzat and Kliebenstein 2008).…”
Section: Discussionmentioning
confidence: 93%
“…Indolic GSL are a critical determinant of resistance to pathogens and insects and additionally act as oviposition deterrents (Kim and Jander 2007;de Vos et al 2008;Bednarek et al 2009;Clay et al 2009). Aliphatic GSL influence fitness of A. thaliana and related cruciferous species via their contribution to defense against herbivory (Mauricio 1998;Bidart-Bouzat and Kliebenstein 2008;Lankau and Kliebenstein 2009). Interestingly, the relationship between fitness and GSL is not linear and displays hallmarks of fluctuating and/ or balancing selection.…”
Section: N Atural Phenotypic Variation Within a Species Ormentioning
confidence: 99%
“…This indicates that accessions enriched in butenyls, pentenyls, and their hydroxylated derivatives were protected from herbivores in France. In a field study in Ohio, European accessions enriched in alkenyl GSLs were less protected (32). This disparity suggests herbivore communities vary in their GSL preference.…”
Section: Significancementioning
confidence: 96%
“…2008). Bidart‐Bouzat and Kliebenstein (2008) similarly associated intraspecific GS concentrations in 20 natural accessions of Arabidopsis with resistance against insects, but found a positive correlation between total GS concentration and the extent of the damage caused by specialists in field experiments.…”
Section: Introductionmentioning
confidence: 98%
“…2005; Clauss et al. 2006; Bidart‐Bouzat and Kliebenstein 2008; Poelman et al. 2008); several have indicated negative correlations between the constitutive and induced concentrations of GS for defense against lepidopteran generalist insects (Clauss et al.…”
Section: Introductionmentioning
confidence: 99%