ArticleChromosoma2015
A step to the gigantic genome of the desert locust: chromosome sizes and repeated DNAs.
Article in Chromosoma, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed, 59 citations in OpenAlex.
- Repeat-associated heterochromatin expansion in Acyclania tenebrosa, a noctuid with one of the largest lepidopteran genomes.BMC genomics · 2026Article
- Evolutionary dynamics of repetitive elements and genome size in Tetrigidae (Orthoptera: Caelifera).Scientific reports · 2025Article
- A study of repetitive sequences in the genome ofPeerJ · 2025Article
- The evolutionary dynamics of genome sizes and repetitive elements in Ensifera (Insecta: Orthoptera).BMC genomics · 2024Article
- Satellitome Analysis ofInternational journal of molecular sciences · 2024Article
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- Advances in genome sequencing reveal changes in gene content that contribute to arthropod macroevolution.Development genes and evolution · 2023Review
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- Mobilome of theInternational journal of molecular sciences · 2022Article
- Telomere organization and the interstitial telomeric sites involvement in insects and vertebrates chromosome evolution.Genetics and molecular biology · 2022Article
- Insights into the genomic evolution of insects from cricket genomes.Communications biology · 2021Article
- The Role of Satellite DNAs in Genome Architecture and Sex Chromosome Evolution in Crambidae Moths.Frontiers in genetics · 2021Article
- Genome Size Estimation and Full-Length Transcriptome ofFrontiers in genetics · 2021Article
- The Evolutionary Patterns of Genome Size in Ensifera (Insecta: Orthoptera).Frontiers in genetics · 2021Article
- Satellitome Analysis in the Ladybird BeetleGenes · 2020Article
- Insights into the neutral and adaptive processes shaping the spatial distribution of genomic variation in the economically important Moroccan locust (Ecology and evolution · 2020Article
- Eight Million Years of Satellite DNA Evolution in Grasshoppers of the Genus Schistocerca Illuminate the Ins and Outs of the Library Hypothesis.Genome biology and evolution · 2020Article
- First draft genome assembly of the desert locust,F1000Research · 2020Article
- Genome Size of 17 Species From Caelifera (Orthoptera) and Determination of Internal Standards With Very Large Genome Size in Insecta.Frontiers in physiology · 2020Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The desert locust (Schistocerca gregaria) has been used as material for numerous cytogenetic studies. Its genome size is estimated to be 8.55 Gb of DNA comprised in 11 autosomes and the X chromosome. Its X0/XX sex chromosome determinism therefore results in females having 24 chromosomes whereas males have 23. Surprisingly, little is known about the DNA content of this locust's huge chromosomes. Here, we use the Feulgen Image Analysis Densitometry and C-banding techniques to respectively estimate the DNA quantity and heterochromatin content of each chromosome. We also identify three satellite DNAs using both restriction endonucleases and next-generation sequencing. We then use fluorescent in situ hybridization to determine the chromosomal location of these satellite DNAs as well as that of six tandem repeat DNA gene families. The combination of the results obtained in this work allows distinguishing between the different chromosomes not only by size, but also by the kind of repetitive DNAs that they contain. The recent publication of the draft genome of the migratory locust (Locusta migratoria), the largest animal genome hitherto sequenced, invites for sequencing even larger genomes. S. gregaria is a pest that causes high economic losses. It is thus among the primary candidates for genome sequencing. But this species genome is about 50 % larger than that of L. migratoria, and although next-generation sequencing currently allows sequencing large genomes, sequencing it would mean a greater challenge. The chromosome sizes and markers provided here should not only help planning the sequencing project and guide the assembly but would also facilitate assigning assembled linkage groups to actual chromosomes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.