Phylogenetic-Related Divergence in Perceiving Suitable Host Plants among Five Spider Mites Species (Acari: Tetranychidae)

Hu, Qi-Qi; Yu, Xinyue; Xue, Xiao‐Feng; Hong, Xiao‐Yue; Zhang, Jianping; Sun, Jing‐Tao

doi:10.3390/insects13080705

Cited by 3 publications

(3 citation statements)

References 33 publications

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“…This result aligns with our previous finding that T. urticae is more sensitive than T. truncatus in perceiving suitable host plants (Hu et al. , 2022). Our previous study also found phylogenetically related divergence in perceiving suitable host plants among 5 spider mite species (Hu et al.…”

Section: Discussionsupporting

confidence: 93%

“…This result aligns with our previous finding that T. urticae is more sensitive than T. truncatus in perceiving suitable host plants (Hu et al, 2022). Our previous study also found phylogenetically related divergence in perceiving suitable host plants among 5 spider mite species (Hu et al, 2022), suggesting an important role of chemoreception-related gene families in host-related divergence of taxa, which may lead to host-associated speciation. In other insects, chemoreception genes can be highly differentiated among host races, such as in the pea aphid, Acyrthosiphon pisum (Smadja et al, 2012).…”

Section: Gene Families Related To Chemoreceptionsupporting

confidence: 91%

“…The number of genes associated with GR and ENaC in the genome of T. truncatus was fewer than half the number in the genome of T. urticae (Ngoc et al, 2016). This result aligns with our previous finding that T. urticae is more sensitive than T. truncatus in perceiving suitable host plants (Hu et al, 2022). Our previous study also found phylogenetically related divergence in perceiving suitable host plants among 5 spider mite species (Hu et al, 2022), suggesting an important role of chemoreception-related gene families in host-related divergence of taxa, which may lead to host-associated speciation.…”

Section: Gene Families Related To Chemoreceptionsupporting

confidence: 91%

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The genome sequence of a spider mite, Tetranychus truncatus, provides insights into interspecific host range variation and the genetic basis of adaptation to a low‐quality host plant

Chen

Xue

et al. 2023

Insect Science

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The phytophagous mite Tetranychus truncatus is a serious pest in East Asia but has a relatively narrower host range than the pest mite Tetranychus urticae, which can feed on over 1200 plant species. Here, we generated a high‐quality chromosomal level genome of T. truncatus and compared it with that of T. urticae, with an emphasis on the genes related to detoxification and chemoreception, to explore the genomic basis underlying the evolution of host range. We also conducted population genetics analyses (in 86 females from 10 populations) and host transfer experiments (in 4 populations) to investigate transcription changes following transfer to a low‐quality host (Solanum melongena, eggplant), and we established possible connections between fitness on eggplant and genes related to detoxification and chemoreception. We found that T. truncatus has fewer genes related to detoxification, transport, and chemoreception than T. urticae, with a particularly strong reduction in gustatory receptor (GR) genes. We also found widespread transcriptional variation among T. truncatus populations, which varied in fitness on eggplant. We characterized selection on detoxification‐related genes through ω values and found a negative correlation between expression levels and ω values. Based on the transcription results, as well as the fitness and genetic differences among populations, we identified genes potentially involved in adaptation to eggplant in T. truncatus. Our work provides a genomic resource for this pest mite and new insights into mechanisms underlying the adaptation of herbivorous mites to host plants.

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Section: Discussionsupporting

confidence: 93%

Section: Gene Families Related To Chemoreceptionsupporting

confidence: 91%

Section: Gene Families Related To Chemoreceptionsupporting

confidence: 91%

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The genome sequence of a spider mite, Tetranychus truncatus, provides insights into interspecific host range variation and the genetic basis of adaptation to a low‐quality host plant

Chen

Xue

et al. 2023

Insect Science

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A chromosome-level genome assembly of the spider mite Tetranychus piercei McGregor

Chen,

Yu,

Zhang

et al. 2024

Sci Data

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Despite the rapid advances in sequencing technology, limited genomic resources are currently available for phytophagous spider mites, which include many important agricultural pests. One of these pests is Tetranychus piercei (McGregor), a serious banana pest in East Asia exhibiting remarkable tolerance to high temperature. In this study, we assembled a high-quality genome of T. piercei using a combination of PacBio long reads and Illumina short reads sequencing. With the assistance of chromatin conformation capture technology, 99.9% of the contigs were anchored into three pseudochromosomes with a total size of 86.02 Mb. Repetitive elements, accounting for 14.16% of this genome (12.20 Mb), are predominantly composed of long-terminal repeats (30.7%). By combining evidence of ab initio prediction, transcripts, and homologous proteins, we annotated 11,881 protein-coding genes. Both the genome and proteins have high BUSCO completeness scores (>94%). This high-quality genome, along with reliable annotation, provides a valuable resource for investigating the high-temperature tolerance of this species and exploring the genomic basis that underlies the host range evolution of spider mites.

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Évaluation des effets d’un pesticide d’origine végétale sur Tetranychus urticae, Botrytis cinerea et Bombus impatiens

Gaudet,

Faraone,

Hillier

2023

Phytoprotection

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Tetranychus urticae Koch (two-spotted spider mite) is an agricultural pest with a host range of over 1100 species of plants. Tetranychus urticae has rapidly developed resistance to a variety of synthetic chemical pesticides due to its high fecundity and short generation time. Plant essential oils have been recognized as a novel natural source of pest control that have a reduced impact to the environment and human health compared to synthetic pesticide application, and which may provide a viable alternative for managing T. urticae. The present study assessed the potential of a plant-derived product (product 102) as an acaricide, through topical and residual bioassays on a variety of plant species including common bean plant (Phaseolus vulgaris L.), lettuce (Lactuca sativa L.), tomato (Solanum lycopersicum L.), kale (Brassica oleracea L.), cucumber (Cucumis sativus L.), hops (Humulus lupulus L.) and hemp (Cannabis sativa L.). The results of our study indicate that C. sativa is not a suitable plant to host T. urticae. Product 102 was determined to be effective at preventing the growth of two known fungal species of economic concern (Cladosporium herbarum Persoon and Botrytis cinerea Persoon). By conducting acute contact toxicity tests, we also determined that product 102 is significantly less toxic to Bombus impatiens Cresson compared to the commonly used synthetic insecticide imidacloprid.

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Phylogenetic-Related Divergence in Perceiving Suitable Host Plants among Five Spider Mites Species (Acari: Tetranychidae)

Cited by 3 publications

References 33 publications

The genome sequence of a spider mite, Tetranychus truncatus, provides insights into interspecific host range variation and the genetic basis of adaptation to a low‐quality host plant

The genome sequence of a spider mite, Tetranychus truncatus, provides insights into interspecific host range variation and the genetic basis of adaptation to a low‐quality host plant

A chromosome-level genome assembly of the spider mite Tetranychus piercei McGregor

Évaluation des effets d’un pesticide d’origine végétale sur Tetranychus urticae, Botrytis cinerea et Bombus impatiens

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