Not active here. Only my podcast blog. @ipswitch-north - Tumblr Blog

if i had wings i would spend all of my time over the open ocean doing those ridiculous peregrine dives where you fall at top speed and then swerve up at the last second. thats literally all i need. society would never see me again

nokkasili

Drawings of little houses

newjackcole

Cabinet of Curiosities

its-a-beautful-day

Leafhoppers are just lil creatures

druid-for-hire

[image id: a digital illustration of a white, opalescent snake against a pale blue background, hanging from above. it curiously inspects a similarly pearlescent butterfly. end id]

Greeting

cosmos-kitty

I've made so many astronaut themed artworks over the years now, these are some of my favourites ♡

bedupolker

That first pic looks like ^ if you don’t mind me saying

ivaninsect-deactivated20220919

Butterfly eyespots evolved via cooption of an ancestral gene-regulatory network that also patterns antennae, legs, and wings

Where do butterfly eyespots come from? One of the long-standing questions in the field of evolution concerns addressing where novel complex

Abstract:

Butterfly eyespots are beautiful novel traits with an unknown developmental origin. Here we show that eyespots likely originated via cooption of parts of an ancestral appendage gene-regulatory network (GRN) to novel locations on the wing. Using comparative transcriptome analysis, we show that eyespots cluster most closely with antennae, relative to multiple other tissues. Furthermore, three genes essential for eyespot development, Distal-less (Dll), spalt (sal), and Antennapedia (Antp), share similar regulatory connections as those observed in the antennal GRN. CRISPR knockout of cis-regulatory elements (CREs) for Dll and sal led to the loss of eyespots, antennae, legs, and also wings, demonstrating that these CREs are highly pleiotropic. We conclude that eyespots likely reused an ancient GRN for their development, a network also previously implicated in the development of antennae, legs, and wings.

Tissues used for RNA-seq analysis and character tree constructed using DE genes. (A) We used 16 tissue groups from three separate developmental stages of B. anynana for RNA extractions. Embryos at 3 h, 12 h, and 24 h after egg laying. Larval forewings, T1 legs, horns, and prolegs. Pupal antennae, T1 legs, forewings, eyes, wing margins, eyespots, and two eyespot control tissues, all dissected at 3 h after pupation, and a wounded wing dissected at 24 h after pupation. (B) PCA using 10,281 DE genes obtained from pairwise comparisons between different tissues. Tissues are clustered according to their developmental stages. (C) Character tree constructed using 10,281 DE genes showed eyespot tissue clustered with antenna tissue first, and next with tissues from the same developmental stage, except for a 24-h pupal wounded wing (♦), which clustered with larval wing tissue. (D) Character tree constructed using 7,133 DE genes from 3-h pupal stage with 3-h embryos as outgroup showed eyespot tissue clustered with antenna tissue. **100 unbiased (AU) P value; *90 to 99 unbiased (AU) P value.

thecollectibles

MaySketchaDay by Luc Courtois

bpd-bbyg

ourwayswillchange

corecorrupt

Guerrilla Artist Fills Chicago Potholes With Flower Mosaics

moth mermaid

“netsuke” with a plant motif. This is a netsuke carved from the natural form of #deer horns , which is a gladiolus that suddenly grows in the garden and blooms only one flower . The title of the work, “Kurano Kurasu,” is a coined word that applies the sound of #gladiolus to Chinese characters. Text by Yoko Konno Netsuke Master YOKA / Calligraphy and seal carving are active under the name of Lake Mukita @monouako