Imaginal Discs

Fruit fly study reveals a gene’s hidden ability to keep regrowth on the right track

A recent study has identified a gene, Zelda, that plays a crucial role in regulating the end of regrowth in fruit fly larvae. The researchers found that Zelda helps control the activity of genes involved in tissue development, revealing a new understanding of the regenerative process.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalScience Advances·TypeExperimental study·DateJun 24, 2025

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Identifying venom genes of parasitoid wasps: Successful parasitism without immediate host death

Researchers identified two venom genes in parasitoid wasps that degrade adult tissue precursors in host fly larvae, ensuring successful parasitism. The findings provide insights into the molecular mechanisms behind the sophisticated survival strategy of these wasps.

SourceUniversity of Tsukuba·JournalScience Advances·DateFeb 5, 2025

Researchers identify key regulators underlying regeneration in Drosophila

The study reveals Brat's role in regulating wing imaginal discs regeneration by modulating downstream growth factors. Flies with reduced Brat demonstrated improved wing regeneration but also exhibited deficiencies in cell-fate specification, highlighting the delicate balance required for proper regeneration.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalPLOS Genetics·TypeExperimental study·DateMar 19, 2024

Nanobodies from camels enable the study of organ growth

Researchers developed a technique using nanobodies to selectively manipulate and analyze the morphogen Dpp in wing development, influencing growth in the center but not periphery. The method holds promise for future studies on organ development and may uncover causes of malformation.

SourceUniversity of Basel·JournalNature·DateNov 9, 2015

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Hormone's role in insects could give insight for cancer treatment, malnutrition

A recent study has identified a hormone called juvenile hormone that inhibits the growth of imaginal discs in insects, which can have implications for understanding cancer treatment and long-term effects of early infant malnutrition. Without this hormone, the discs can form and grow at the expense of the rest of the animal.

SourceUniversity of Washington·JournalScience·DateJun 1, 2006