Ralf Janssen

About Ralf Janssen

Ralf Janssen, With an exceptional h-index of 27 and a recent h-index of 17 (since 2020), a distinguished researcher at Uppsala Universitet, specializes in the field of Ecdysozoan Evolution and Development.

His recent articles reflect a diverse array of research interests and contributions to the field:

Hox genes in spiders: their significance for development and evolution

Single-cell RNA sequencing of mid-to-late stage spider embryos: new insights into spider development

New insights into mesoderm and endoderm development, and the nature of the onychophoran blastopore

Single-cell sequencing reveals novel insights into spider eye development

Expression of posterior Hox genes and opisthosomal appendage development in a mygalomorph spider

Evolution of the spider homeobox gene repertoire by tandem and whole genome duplication

Developmental and genomic insight into the origin of the tardigrade body plan

Comment on “The lower Cambrian lobopodian Cardiodictyon resolves the origin of euarthropod brains”

Ralf Janssen Information

University

Position

Researcher

Citations(all)

3397

Citations(since 2020)

1284

Cited By

2680

hIndex(all)

27

hIndex(since 2020)

17

i10Index(all)

48

i10Index(since 2020)

29

Email

University Profile Page

Google Scholar

Ralf Janssen Skills & Research Interests

Ecdysozoan Evolution and Development

Top articles of Ralf Janssen

Title

Journal

Author(s)

Publication Date

Hox genes in spiders: their significance for development and evolution

Natascha Turetzek

Matthias Pechmann

Ralf Janssen

Nikola-Michael Prpic

2024/1/1

Single-cell RNA sequencing of mid-to-late stage spider embryos: new insights into spider development

BMC genomics

Brenda I Medina-Jiménez

Graham E Budd

Ralf Janssen

2024/2/7

New insights into mesoderm and endoderm development, and the nature of the onychophoran blastopore

Frontiers in Zoology

Ralf Janssen

Graham E Budd

2024/1/25

Single-cell sequencing reveals novel insights into spider eye development

Brenda Irene Medina Jimenez

Graham Budd

Matthias Pechmann

Nico Posnien

Ralf Janssen

2024

Expression of posterior Hox genes and opisthosomal appendage development in a mygalomorph spider

Development Genes and Evolution

Ralf Janssen

Matthias Pechmann

2023/12

Evolution of the spider homeobox gene repertoire by tandem and whole genome duplication

Molecular biology and evolution

Madeleine E Aase-Remedios

Ralf Janssen

Daniel J Leite

Lauren Sumner-Rooney

Alistair P McGregor

2023/12

Developmental and genomic insight into the origin of the tardigrade body plan

Evolution & development

Frank W Smith

Mandy Game

Marc A Mapalo

Raul A Chavarria

Taylor R Harrison

...

2023/9/18

Comment on “The lower Cambrian lobopodian Cardiodictyon resolves the origin of euarthropod brains”

Science

Graham E Budd

Georg Mayer

Ralf Janssen

B Joakim Eriksson

2023/6/30

Expression of netrin and its receptors uncoordinated‐5 and frazzled in arthropods and onychophorans suggests conserved and diverged functions in neuronal …

Developmental Dynamics

Ralf Janssen

Graham E Budd

2023/1

Review of extra-embryonic tissues in the closest arthropod relatives, onychophorans and tardigrades

Sandra Treffkorn

Georg Mayer

Ralf Janssen

2022/12/5

A comprehensive study of arthropod and onychophoran Fox gene expression patterns

Plos one

Ralf Janssen

Christoph Schomburg

Nikola-Michael Prpic

Graham E Budd

2022/7/8

Embryonic expression patterns of Wnt genes in the RTA-clade spider Cupiennius salei

Gene Expression Patterns

Ralf Janssen

Bo Joakim Eriksson

2022/6/1

Phylogenetic analysis of forkhead transcription factors in the Panarthropoda

Development genes and evolution

Christoph Schomburg

Ralf Janssen

Nikola-Michael Prpic

2022/2

Lack of evidence for conserved parasegmental grooves in arthropods

Development Genes and Evolution

Ralf Janssen

Natascha Turetzek

Matthias Pechmann

2022/2

A simple dissociation protocol for single-cell RNA sequencing of spider embryos

Brenda Irene Medina Jimenez

Ralf Janssen

2021

A chelicerate Wnt gene expression atlas: novel insights into the complexity of arthropod Wnt-patterning

EvoDevo

Ralf Janssen

Matthias Pechmann

Natascha Turetzek

2021/12

Widespread retention of ohnologs in key developmental gene families following whole-genome duplication in arachnopulmonates

G3

Amber Harper

Luis Baudouin Gonzalez

Anna Schönauer

Ralf Janssen

Michael Seiter

...

2021/12/1

Molecular evidence for a single origin of ultrafiltration-based excretory organs

Current Biology

Ludwik Gąsiorowski

Carmen Andrikou

Ralf Janssen

Paul Bump

Graham E Budd

...

2021/8/23

Panarthropod tiptop/teashirt and spalt orthologs and their potential role as “trunk”-selector genes

EvoDevo

Brenda I Medina-Jiménez

Graham E Budd

Ralf Janssen

2021/6/2

Oscillating waves of Fox, Cyclin and CDK gene expression indicate unique spatiotemporal control of cell cycling during nervous system development in onychophorans

Arthropod structure & development

Ralf Janssen

Graham E Budd

2021/5/1

See List of Professors in Ralf Janssen University(Uppsala Universitet)