Home
TS Digest
October 2022, Issue 2

October 2022, Issue 2 Table of Contents

This Issue

October 2022, Issue 2

The Rise of Eukaryotes

The origin and evolution of the most complex cells

Feature

The structure of a biological cell (macro)

The Long and Winding Road to Eukaryotic Cells

Amanda Heidt | Oct 17, 2022 | 10+ min read

Despite recent advances in the study of eukaryogenesis, much remains unresolved about the origin and evolution of the most complex domain of life.

Freeze Frame

This young crustacean (Idotea balthica) carries the stained spermatia (blue) of the red algae Gracilaria gracilis on its body, marking the first known example of an animal facilitating fertilization in this ancient photosynthetic lineage.

Caught on Camera

See some of the coolest images recently featured by The Scientist

Infographics

Infographic: Generating Hundreds of 3D Organoid Images per Hour

By modifying a technique used to image single cells, researchers have managed to generate a super-resolution 3D image of a complete organoid in just seven seconds.

Illustration showing the path result of Eukaryogenesis

Infographic: Evolutionary Leaps Leading to Modern Eukaryotes

A lot happened in the hundreds of millions years separating the first and last eukaryotic common ancestors, but when and how most features arose remains a mystery.

Modus Operandi

Expert JeWell-ry Designers

Analyzing organoids has proven slow and cumbersome for scientists. But a new technique may speed things up, producing 3D images of hundreds of organoids per hour.

Bio Business

A vet and technician take a sample from a dog for use in PetDx’s OncoK9 test, which screens cell-free DNA for genomic alterations associated with cancer.

The Pet Health Industry Takes on Canine Cancer

Advanced genomic tools have provided biotech companies new approaches to help our furry friends—but experts say several limitations remain.

The Literature

Climate Change May Favor Nitrogen-Fixing Plants

Aridity appears to configure landscapes with a greater diversity of plant species that rely on symbiotic bacteria for nitrogen.

A false color transmission electron microscope micrograph showing the nuclear envelope, the rough endoplasmic reticulum, the nucleus, and the cytoplasm.

New Gene Mutants Identified in Rare Motor Neuron Diseases

The discovery of gene variants in cases of hereditary spastic dysplasia could provide a diagnosis to affected families where no genetic cause could be found before.