The evolution of expenditure on testes

GA Parker - Journal of Zoology, 2016 - Wiley Online Library
Evolutionary theory for expenditure on gonads attracted little attention until studies in the
past 3–4 decades of allocation to male and female function in hermaphrodites, and of …

The free-living flatworm Macrostomum lignano

J Wudarski, B Egger, SA Ramm, L Schärer, P Ladurner… - EvoDevo, 2020 - Springer
Macrostomum lignano is a free-living flatworm that is emerging as an attractive experimental
animal for research on a broad range of biological questions. One feature setting it apart …

Genome and transcriptome of the regeneration-competent flatworm, Macrostomum lignano

K Wasik, J Gurtowski, X Zhou… - Proceedings of the …, 2015 - National Acad Sciences
The free-living flatworm, Macrostomum lignano has an impressive regenerative capacity.
Following injury, it can regenerate almost an entirely new organism because of the presence …

Efficient transgenesis and annotated genome sequence of the regenerative flatworm model Macrostomum lignano

J Wudarski, D Simanov, K Ustyantsev… - Nature …, 2017 - nature.com
Regeneration-capable flatworms are informative research models to study the mechanisms
of stem cell regulation, regeneration, and tissue patterning. However, the lack of …

Sperm competition risk drives plasticity in seminal fluid composition

SA Ramm, DA Edward, AJ Claydon, DE Hammond… - BMC biology, 2015 - Springer
Background Ejaculates contain a diverse mixture of sperm and seminal fluid proteins, the
combination of which is crucial to male reproductive success under competitive conditions …

The hidden ageing costs of sperm competition

JF Lemaître, JM Gaillard, SA Ramm - Ecology Letters, 2020 - Wiley Online Library
Ageing and sexual selection are intimately linked. There is by now compelling evidence
from studies performed across diverse organisms that males allocating resources to mating …

Quantifying episodes of sexual selection: insights from a transparent worm with fluorescent sperm

L Marie-Orleach, T Janicke, DB Vizoso, P David… - …, 2016 - academic.oup.com
Sexual selection operates through consecutive episodes of selection that ultimately
contribute to the observed variance in reproductive success between individuals …

A mechanism for temporary bioadhesion

J Wunderer, B Lengerer, R Pjeta… - Proceedings of the …, 2019 - National Acad Sciences
The flatworm Macrostomum lignano features a duo-gland adhesive system that allows it to
repeatedly attach to and release from substrates in seawater within a minute. However, little …

Evidence for Karyotype Polymorphism in the Free-Living Flatworm, Macrostomum lignano, a Model Organism for Evolutionary and Developmental Biology

KS Zadesenets, DB Vizoso, A Schlatter… - PLoS …, 2016 - journals.plos.org
Over the past decade, the free-living flatworm Macrostomum lignano has been successfully
used in many areas of biology, including embryology, stem cells, sexual selection …

The evolution of gonad expenditure and gonadosomatic index (GSI) in male and female broadcast‐spawning invertebrates

GA Parker, SA Ramm, J Lehtonen… - Biological …, 2018 - Wiley Online Library
Sedentary broadcast‐spawning marine invertebrates, which release both eggs and sperm
into the water for fertilization, are of special interest for sexual selection studies. They …