Sarah Romac

Seasonal patterns in Synechococcus pigment diversity at two temperate sites with contrasting oceanic regimes

This study examines seasonal pigment diversity in Synechococcus at two temperate ocean sites, revealing distinct patterns linked to environmental factors and ecological niches.

Diversity, host-specificity, and environmental drivers of the coral reef eukaryome

The paper characterizes the eukaryotic diversity in coral reef environments, revealing high diversity and identifying environmental drivers shaping these communities.

HIDDEN APICOMPLEXAN PARASITE DIVERSITY LINKS CORAL AND PLANKTON MICROBIOMES ACROSS REEF SEASCAPES

The paper investigates the diversity and distribution of Apicomplexa across marine environments using metabarcoding data, revealing previously unknown diversity and biogeographic patterns.

Ocean-scale transcriptomic analysis of corallicolids (Apicomplexa) reveals their ubiquity and molecular interactions with Pocillopora corals.

The paper analyzes corallicolid parasites in Pocillopora corals across the Pacific Ocean, finding their widespread presence and linking their abundance to environmental factors and host immune responses.

Genome-resolved diversity and biosynthetic potential of the coral reef microbiome

This study assesses the microbial biosynthetic potential of reef-building corals using genome-resolved metagenomics, revealing host-specific microbiomes with high biotechnological value.

From short to long reads: enhanced protist diversity profiling via Nanopore metabarcoding

This paper introduces BaNaNA, a pipeline for generating high-quality OTUs from Nanopore long-read sequencing data, showing its effectiveness for protist biodiversity studies and its advantages over short-read methods.

The JEDI marker as a universal measure of planetary biodiversity

The paper introduces the JEDI marker as a universal biodiversity measure, demonstrating its applicability across ecological scales and providing an automated bioinformatic workflow for standardized analysis.

Single-cell transcriptomics highlights sexual cues among reproductive life stages of uncultivated Acantharia (Radiolaria)

This study uses single-cell transcriptomics to analyze reproductive life stages of Acantharia, identifying genetic evidence for a sexual cycle involving gamete-like swarmers.

Emergent patterns of patchiness reflect decoupling between ocean physics and biology

The paper analyzes global ocean data to show that physical and biological patchiness are decoupled, using variance slope to quantify spatial patterns.

Disparate patterns of genetic divergence in three widespread corals across a pan-Pacific environmental gradient highlights species-specific adaptation trajectories.

The paper analyzes genetic divergence in three coral species across a Pacific environmental gradient, showing species-specific evolutionary patterns despite similar environments.

Genomic adaptation of the picoeukaryote Pelagomonas calceolata to temperate iron-poor oceans revealed by a chromosome-scale genome sequence.

The paper reports the chromosome-scale genome of Pelagomonas calceolata, revealing adaptations to iron-poor environments and its potential expansion under climate change.

Pervasive tandem duplications and convergent evolution shape coral genomes

The paper reports higher gene counts in two coral genomes due to tandem duplications, suggesting a role in immune system and disease resistance.

Intra-genomic rDNA gene variability of Nassellaria and Spumellaria (Rhizaria, Radiolaria) assessed by Sanger, MinION and Illumina sequencing

The paper compares Sanger, Illumina, and MinION sequencing methods to assess intra-genomic rDNA variability in Nassellaria and Spumellaria, finding low variability but some Spumellaria specimens with divergent V4 copies.

Morpho-molecular diversity and evolutionary analyses suggest hidden life styles in Spumellaria (Radiolaria)

This study classifies Spumellaria using morphological and molecular data, revealing hidden diversity and re-evaluating taxonomic classification based on skeletal symmetry.

Time calibrated morpho-molecular classification of Nassellaria (Radiolaria)

This paper presents a morpho-molecular classification of Nassellaria using 18S and 28S rDNA and morphology, estimating their origin and diversification using a fossil-calibrated molecular clock.