Crumbs, the Drosophila homologue of human CRB1/RP12, is essential for photoreceptor morphogenesis

M Pellikka, G Tanentzapf, M Pinto, C Smith… - Nature, 2002 - nature.com
The apical transmembrane protein Crumbs is a central regulator of epithelial apical–basal
polarity in Drosophila. Loss-of-function mutations in the human homologue of Crumbs, CRB1 (…

Monomeric α-catenin links cadherin to the actin cytoskeleton

R Desai, R Sarpal, N Ishiyama, M Pellikka, M Ikura… - Nature cell …, 2013 - nature.com
The linkage of adherens junctions to the actin cytoskeleton is essential for cell adhesion.
The contribution of the cadherin–catenin complex to the interaction between actin and the …

[PDF][PDF] The FERM protein Yurt is a negative regulatory component of the Crumbs complex that controls epithelial polarity and apical membrane size

P Laprise, S Beronja, NF Silva-Gagliardi, M Pellikka… - Developmental cell, 2006 - cell.com
The Crumbs (Crb) complex is a key regulator of epithelial cell architecture where it promotes
apical membrane formation. Here, we show that binding of the FERM protein Yurt to the …

[PDF][PDF] The agrin/perlecan-related protein eyes shut is essential for epithelial lumen formation in the Drosophila retina

N Husain, M Pellikka, H Hong, T Klimentova… - Developmental cell, 2006 - cell.com
The formation of epithelial lumina is a fundamental process in animal development. Each
ommatidium of the Drosophila retina forms an epithelial lumen, the interrhabdomeral space, …

Mutational analysis supports a core role for Drosophila α-Catenin in adherens junction function

R Sarpal, M Pellikka, RR Patel, FYW Hui… - Journal of cell …, 2012 - journals.biologists.com
α-catenin associates the cadherin–catenin complex with the actin cytoskeleton. α-catenin
binds to β-catenin, which links it to the cadherin cytoplasmic tail, and F-actin, but also to a …

Essential function of Drosophila Sec6 in apical exocytosis of epithelial photoreceptor cells

S Beronja, P Laprise, O Papoulas, M Pellikka… - The Journal of cell …, 2005 - rupress.org
Polarized exocytosis plays a major role in development and cell differentiation but the
mechanisms that target exocytosis to specific membrane domains in animal cells are still poorly …

Apical polarity proteins recruit the RhoGEF Cysts to promote junctional myosin assembly

JT Silver, F Wirtz-Peitz, S Simões, M Pellikka… - Journal of Cell …, 2019 - rupress.org
The spatio-temporal regulation of small Rho GTPases is crucial for the dynamic stability of
epithelial tissues. However, how RhoGTPase activity is controlled during development …

Crumbs complex–directed apical membrane dynamics in epithelial cell ingression

S Simões, G Lerchbaumer, M Pellikka… - Journal of Cell …, 2022 - rupress.org
Epithelial cells often leave their tissue context and ingress to form new cell types or acquire
migratory ability to move to distant sites during development and tumor progression. Cells …

The germline stem cells of Drosophila melanogaster partition DNA non-randomly

P Karpowicz, M Pellikka, E Chea, D Godt… - European journal of cell …, 2009 - Elsevier
The Immortal Strand Hypothesis proposes that asymmetrically dividing stem cells cosegregate
chromatids to retain ancestral DNA templates. Using both pulse-chase and label retention …

Unique cell biological profiles of retinal disease-causing missense mutations in the polarity protein Crumbs

M Pellikka, U Tepass - Journal of Cell Science, 2017 - journals.biologists.com
Mutations in human crumbs 1 (CRB1) are a major cause of retinal diseases that lead to
blindness. CRB1 is a transmembrane protein found in the inner segment of photoreceptor cells (…