Jörg U. Hammel

Claws that snap: the raptorial mechanism of dryinid wasps

This paper describes the raptorial mechanism of dryinid wasps, showing their claws function as snap traps triggered by prey contact, and explores the evolutionary development of this mechanism.

JNK integrates immune and stress signals to balance apoptosis and proliferation in airway progenitors

This study identifies JNK as a key integrator of immune and stress signals in airway progenitors, balancing apoptosis and proliferation to maintain tissue homeostasis during inflammation.

A trait-based taxonomic data base for the order Schizomida (Arachnida) with descriptions of a new fossil species from Kachin amber and the female of Surazomus palenque Villarreal, Miranda & Giupponi 2016.

The paper introduces a trait-based database for Schizomida taxonomy, describes a new fossil species, and provides the first description of the female of Surazomus palenque.

Profiling cellular diversity in sponges informs animal cell type and nervous system evolution

The paper identifies 18 cell types in sponges, including neuroid cells with synaptic gene expression, suggesting early neuro-immune system evolution.

Parallel evolution of direct development in frogs - Skin and thyroid gland development in African Squeaker Frogs (Anura: Arthroleptidae: Arthroleptis)

This study shows that direct-developing African squeaker frogs undergo a cryptic metamorphosis with skin repatterning linked to increased thyroid gland activity, similar to Puerto Rican coquis.