DNA Has Four Bases. Some Viruses Swap in a Fifth
Wired.com,
Jordana Cepelewic z 07.25.2021 08:00 AM Dozens of viruses don't use the same four nucleotide bases found in all other life.
Jordana Cepelewic z 07.25.2021 08:00 AM Dozens of viruses don't use the same four nucleotide bases found in all other life.
Aún sin estar resuelta la cuestión de si los virus son o no seres vivos, aparece una nueva incógnita en la ecuación de su ADN…
El ADN almacena la información, que posteriormente es transcrita a ARN mensajero y este se traduce a proteínas.
El lenguaje de la vida se escribe con un código de cuatro letras: A, G, C y T. Son las abreviaturas de adenina, guanina…
噬菌体(图片来源:NIAID) 1977年,一项发表于《自然》的研究发现一种噬菌体的DNA中不存在A碱基,而是完全被一种新的碱基——二氨基嘌呤(Z碱基)替换了,后者在DNA双链中与T碱基配对。 最近,关于噬菌体Z碱基的研究迎来了新进展。《科学》杂志上的3篇文…
Plants and animals have genomes made of four nucleotide bases, adenine (A), thymine (T), cytosine (C), and guanine (G).
Plants and animals have genomes made of four nucleotide bases, adenine (A), thymine (T), cytosine (C), and guanine (G).
Plants and animals have genomes made of four nucleotide bases, adenine (A), thymine (T), cytosine (C), and guanine (G).
Sulla Terra si possono trovare genomi "alieni". Alcuni virus che infettano i batteri usano un alfabeto genetico alternativo…
Dans le génome de certains phages, la base azotée A est remplacée par une base Z, ce qui rend l'ADN plus stable et plus résistant…
I n 1977, scientists showed that a virus called S-2L that infects cyanobacteria has no adenine in its genome.