{"ok":true,"nota":{"id":"7920f7aeb3911848","slug":"unas-estructuras-que-anclan-los-cromosomas-forman-una-esfera-hueca-ant-7920f7","titulo":"Unas estructuras que anclan los cromosomas forman una esfera hueca antes de que la célula se divida","resumen":"Investigadores de Japón usaron técnicas de imágenes para observar cómo se reparten los cromosomas antes de la división celular. Descubrieron que una de las estructuras clave adopta la forma de una esfera hueca. El hallazgo describe un paso previo a que la célula se divida en dos.","fuente":"phys","fuenteNombre":"Phys.org","color":"#2b5c8a","autor":"","url":"https://phys.org/news/2026-10-chromosome-anchors-hollow-shells-cell.html","imagen":"https://scx1.b-cdn.net/csz/news/tmb/2026/shell-game-chromosome.jpg","tema":"ciencia","subtemas":["división celular","cromosomas","biología celular","imágenes microscópicas"],"entidades":["Japón","PLOS One"],"formato":"dato","entretenimiento":false,"pubTs":"2026-10-21T18:00:19.000Z","indexTs":"2026-10-21T18:02:13.240Z","hash":"7118f088998cdbf6bfb39bec6d87985cb0a3d84dcfc6fb5ab00c914936743c6f","tsa":{"time":"Oct 21 18:02:54 2026 GMT","provider":"freetsa.org","sobre":"sello"},"stats":{"views":0,"likes":0,"clicks":0,"dwell":0},"tipo":"normal","registro":"hallazgo","porQueImporta":"Cada vez que una célula se divide, cada copia debe recibir exactamente la misma cantidad de cromosomas, y un error puede tener consecuencias graves para el organismo. Este estudio muestra cómo una estructura cumple ese rol con una forma que nadie esperaba. Es un avance de base: entender el mecanismo normal es lo que permite, a futuro, explicar qué sale mal en ciertas enfermedades. Todavía es ciencia básica, sin aplicaciones clínicas inmediatas.","quienFirma":"Investigadores de Japón (institución principal no especificada en la fuente)","confianza":"revisado","consulta":null},"sello":{"hash":"7118f088998cdbf6bfb39bec6d87985cb0a3d84dcfc6fb5ab00c914936743c6f","sello":"a3595f7e0c4f1dd9339f4ed90872699024944c0de9de9b2b7463bf930ef4fe5e","beacon":{"drand":{"cadena":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","ronda":6572491,"aleatorio":"6cf6df2e4d3ddbf6082bfc42cce5f5e5d58137ccdf954c125db1b17b4ce61d75","tiempo":"2026-10-21T18:02:30.000Z"},"nist":{"cadena":2,"pulso":1993451,"salida":"F1F3389A9E604E1B4A7FEA3E4204265F6E2367242F9130483A24C1120D057BFCFB478D41A2E5B4196E8312BAB3D84BC0DCFCB2909BB0B1EFD7B3C3427DFC6FD1","tiempo":"2026-10-21T18:02:00.000Z"},"noAntes":"2026-10-21T18:02:30.000Z"},"verificacion":{"drand":true,"nist":true},"tsa":{"time":"Oct 21 18:02:54 2026 GMT","provider":"freetsa.org","sobre":"sello"},"original":{"titulo":"Chromosome anchors form hollow shells before cell division, imaging reveals","descripcion":"Whenever a cell divides, it has to split its chromosomes perfectly between two daughter cells, and even a single mistake can be disastrous. Now, researchers from Japan have found that one of the key structures that makes this possible takes a surprising shape: a hollow sphere.","pubDate":"Wed, 21 Oct 2026 14:00:19 EDT","url":"https://phys.org/news/2026-10-chromosome-anchors-hollow-shells-cell.html"},"indexado":"2026-10-21T18:02:13.240Z"}}