11 Works

Data from: The majority of transcripts in the squid nervous system are extensively recoded by A-to-I RNA editing

Shahar Alon, Sandra C. Garrett, Erez Y. Levanon, Sara Olson, Brenton R. Graveley, Joshua J. C. Rosenthal & Eli Eisenberg
RNA editing by adenosine deamination alters genetic information from the genomic blueprint. When it recodes mRNAs, it gives organisms the option to express diverse, functionally distinct, protein isoforms. All eumetazoans, from cnidarians to humans, express RNA editing enzymes. However, transcriptome-wide screens have only uncovered about 25 transcripts harboring conserved recoding RNA editing sites in mammals and several hundred recoding sites in Drosophila. These studies on few established models have led to the general assumption that...

Data from: Decisions reduce sensitivity to subsequent information

Zohar Z. Bronfman, Noam Brezis, Rani Moran, Konstantinos Tsetsos, Tobias Donner & Marius Usher
Behavioural studies over half a century indicate that making categorical choices alters beliefs about the state of the world. People seem biased to confirm previous choices, and to suppress contradicting information. These choice-dependent biases imply a fundamental bound of human rationality. However, it remains unclear whether these effects extend to lower level decisions, and only little is known about the computational mechanisms underlying them. Building on the framework of sequential-sampling models of decision-making, we developed...

Data from: Calling louder and longer: how bats use biosonar under severe acoustic interference from other bats

Eran Amichai, Gaddi Blumrosen & Yossi Yovel
Active-sensing systems such as echolocation provide animals with distinct advantages in dark environments. For social animals, however, like many bat species, active sensing can present problems as well: when many individuals emit bio-sonar calls simultaneously, detecting and recognizing the faint echoes generated by one's own calls amid the general cacophony of the group becomes challenging. This problem is often termed ‘jamming’ and bats have been hypothesized to solve it by shifting the spectral content of...

Data from: Non-monotonic temporal-weighting indicates a dynamically modulated evidence-integration mechanism

Zohar Z. Bronfman, Noam Brezis & Marius Usher
Perceptual decisions are thought to be mediated by a mechanism of sequential sampling and integration of noisy evidence whose temporal weighting profile affects the decision quality. To examine temporal weighting, participants were presented with two brightness-fluctuating disks for 1, 2 or 3 seconds and were requested to choose the overall brighter disk at the end of each trial. By employing a signal-perturbation method, which deploys across trials a set of systematically controlled temporal dispersions of...

Data from: Control of relative timing and stoichiometry by a master regulator

Yifat Goldschmidt, Evgeny Yurkovsky, Amit Reif, Roni Rosner, Amit Akiva & Iftach Nachman
Developmental processes in cells require a series of complex steps. Often only a single master regulator activates genes in these different steps. This poses several challenges: some targets need to be ordered temporally, while co-functional targets may need to be synchronized in both time and expression level. Here we study in single cells the dynamic activation patterns of early meiosis genes in budding yeast, targets of the meiosis master regulator Ime1. We quantify the individual...

Data from: The evolution of obligate sex: the roles of sexual selection and recombination

Maya Kleiman & Lilach Hadany
The evolution of sex is one of the greatest mysteries in evolutionary biology. An even greater mystery is the evolution of obligate sex, particularly when competing with facultative sex and not with complete asexuality. Here, we develop a stochastic simulation of an obligate allele invading a facultative population, where males are subject to sexual selection. We identify a range of parameters where sexual selection can contribute to the evolution of obligate sex: Especially when the...

Data from: Host age modulates parasite infectivity, virulence and reproduction

Rony Izhar & Frida Ben-Ami
1. Host age is one of the most striking differences among hosts within most populations, but there is very little data on how age-dependent effects impact ecological and evolutionary dynamics of both the host and the parasite. 2. Here, we examined the influence of host age (juveniles, young and old adults) at parasite exposure on host susceptibility, fecundity and survival as well as parasite transmission, using two clones of the water flea Daphnia magna and...

Data from: Signaling cascades and the importance of moonlight in coral broadcast mass spawning

Paulina Kaniewska, Shahar Alon, Sarit Karako-Lampert, Ove Hoegh-Guldberg & Oren Levy
Many reef-building corals participate in a mass-spawning event that occurs yearly on the Great Barrier Reef. This coral reproductive event is one of earth's most prominent examples of synchronised behavior, and coral reproductive success is vital to the persistence of coral reef ecosystems. Although several environmental cues have been implicated in the timing of mass spawning, the specific sensory cues that function together with endogenous clock mechanisms to ensure accurate timing of gamete release are...

Worldwide evidence of a unimodal relationship between productivity and plant species richness

Lauchlan H. Fraser, Jason Pither, Anke Jentsch, Marcelo Sternberg, Martin Zobel, Diana Askarizadeh, Sandor Bartha, Carl Beierkuhnlein, Jonathan A. Bennett, Alex Bittel, Bazartseren Boldgiv, Ilsi I. Boldrini, Edward Bork, Leslie Brown, Marcelo Cabido, James Cahill, Cameron N. Carlyle, Giandiego Campetella, Stefano Chelli, Ofer Cohen, Anna-Maria Csergo, Sandra Diaz, Lucas Enrico, David Ensing, Alessandra Fidelis … & Szilárd Szentes
The search for predictions of species diversity across environmental gradients has challenged ecologists for decades. The humped-back model (HBM) suggests that plant diversity peaks at intermediate productivity; at low productivity few species can tolerate the environmental stresses, and at high productivity a few highly competitive species dominate. Over time the HBM has become increasingly controversial, and recent studies claim to have refuted it. Here, by using data from coordinated surveys conducted throughout grasslands worldwide and...

Data from: Genome-wide evidence reveals that African and Eurasian Golden Jackals are distinct species

Klaus-Peter Koepfli, John Pollinger, Raquel Godinho, Jacqueline Robinson, Amanda Lea, Sarah Hendricks, Rena M. Schweizer, Olaf Thalmann, Pedro Silva, Zhenxin Fan, Andrey A. Yurchenko, Pavel Dobrynin, Alexey Makunin, James A. Cahill, Beth Shapiro, Francisco Álvares, José C. Brito, Eli Geffen, Jennifer A. Leonard, Kristofer M. Helgen, Warren E. Johnson, Stephen J. O'Brien, Blaire Van Valkenburgh & Robert K. Wayne
The golden jackal of Africa (Canis aureus) has long been considered a conspecific of jackals distributed throughout Eurasia, with the nearest source populations in the Middle East. However, two recent reports found that mitochondrial haplotypes of some African golden jackals aligned more closely to gray wolves (Canis lupus), which is surprising given the absence of gray wolves in Africa and the phenotypic divergence between the two species. Moreover, these results imply the existence of a...

Data from: Dioecy does not consistently accelerate or slow lineage diversification across multiple genera of angiosperms

Niv Sabath, Emma E. Goldberg, Lior Glick, Moshe Einhorn, Tia-Lynn Ashman, Ray Ming, Sarah P. Otto, Jana Vamosi, Itay Mayrose & Jana C. Vamosi
Dioecy, the sexual system in which male and female organs are found in separate individuals, allows greater specialization for sex-specific functions and can be advantageous under various ecological and environmental conditions. However, dioecy is rare among flowering plants. Previous studies identified contradictory trends regarding the relative diversification rates of dioecious lineages vs their nondioecious counterparts, depending on the methods and data used. We gathered detailed species-level data for dozens of genera that contain both dioecious...

Registration Year

  • 2015
    11

Resource Types

  • Dataset
    11

Affiliations

  • Tel Aviv University
    11
  • University of Camerino
    1
  • University of Kansas
    1
  • Islamic Azad University
    1
  • Sao Paulo State University
    1
  • University of Pretoria
    1
  • Ferdowsi University of Mashhad
    1
  • University of Puerto Rico, Medical Sciences Campus
    1
  • Princeton University
    1
  • Institute of Ecology and Botany
    1