Video Experimental Relacionado
Updated: Sep 10, 2025

13:03
Robust DNA Isolation and High-throughput Sequencing Library Construction for Herbarium Specimens
Published on: March 8, 2018
10.7K
La secuencia del genoma del isópodo mordedor de la lengua, Koelbel, 1878
Chris Fletcher1, David Alexander2, Bethany Reed2
1Natural History Museum, London, England, UK.
Wellcome open research
|August 21, 2025
Resumen
Le presentamos el ensamblaje del genoma de Ceratothoa steindachneri, un isópodo mordedor de lengua. Este recurso genómico proporciona información sobre la evolución y la biología de los crustáceos marinos.
Área de la Ciencia:
- Biología marina
- La genómica
- Investigación sobre los crustáceos
Sus antecedentes:
- Ceratothoa steindachneri es un isópodo cimotoide conocido por su comportamiento parasitario.
- Comprender el genoma de tales especies es crucial para los estudios evolutivos y ecológicos.
Objetivo del estudio:
- Para generar un ensamblaje de genoma de alta calidad para Ceratothoa steindachneri.
- Proporcionar un recurso genómico para futuras investigaciones sobre isópodos e invertebrados marinos.
Principales métodos:
- Secuenciación de todo el genoma de un espécimen de Ceratothoa steindachneri.
- Análisis bioinformático para el ensamblaje del genoma y el andamiaje.
- Anotación de genes mediante Ensembl.
Principales resultados:
- Se generó un conjunto de genoma de 3,927.82 megabases.
- El 98,71% del conjunto está organizado en 23 pseudomoléculas cromosómicas.
- Se ensambló el genoma mitocondrial (29,61 kilobases) y se identificaron 13.816 genes codificadores de proteínas.
Conclusiones:
- El ensamblaje del genoma de Ceratothoa steindachneri representa un avance significativo en la genómica de los crustáceos.
- Este recurso facilitará los estudios sobre la diversidad de isópodos, la adaptación y las interacciones parasitarias.
Videos de Conceptos Relacionados
Cis-regulatory Sequences
3.1K
3.1K
Evolutionary Relationships through Genome Comparisons
6.1K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
6.1K
Multi-species Conserved Sequences
4.3K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.3K
Next-generation Sequencing
92.6K
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
92.6K
Genomic DNA in Eukaryotes
47.7K
Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
47.7K
Complementary DNA
29.9K
Overview
29.9K

