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27589 research data, page 1 of 2759

Redescriptions of five species of marine peritrichs, Zoothamnium plumula, Zoothamnium nii, Zoothamnium wang, Pseudovorticella bidulphiae, and Pseudovorticella marina (Protista, Ciliophora)

Weibo Song (2011)
Publisher: Plazi.org taxonomic treatments database
This dataset contains the digitized treatments in Plazi based on the original journal article Ji, Daode, Shin, Mann Kyoon, Choi, Joong Ki, Clamp, John C., Al-Rasheid, Khaled A. S., Song, Weibo (2011): Redescriptions of five species of marine peritrichs, Zoothamnium plumula, Zoothamnium nii, Zoothamnium wang, Pseudovorticella bidulphiae, and Pseudovorticella marina (Protista, Ciliophora). Zootaxa 2930: 47-59, DOI: 10.5281/zenodo.278023

Gibberellin A1 Metabolism Contributes to the Control of Photoperiod-Mediated Tuberization in Potato

Some potato species require a short-day (SD) photoperiod for tuberization, a process that is negatively affected by gibberellins (GAs). Here we report the isolation of StGA3ox2, a gene encoding a GA 3-oxidase, whose expression is increased in the aerial parts and is repressed in the stolons after transfer of photoperiod-dependent potato plants to SD conditions. Over-expression of StGA3ox2 under control of constitutive or leaf-specific promoters results in taller plants which, in contrast to S...

Baseline characteristics of volunteers: age, viraemia, and liver inflammation (mean ± SD).

Baseline characteristics of volunteers: age, viraemia, and liver inflammation (mean ± SD).

HIV-1 Replication in the Central Nervous System Occurs in Two Distinct Cell Types

Human immunodeficiency virus type 1 (HIV-1) infection of the central nervous system (CNS) can lead to the development of HIV-1-associated dementia (HAD). We examined the virological characteristics of HIV-1 in the cerebrospinal fluid (CSF) of HAD subjects to explore the association between independent viral replication in the CNS and the development of overt dementia. We found that genetically compartmentalized CCR5-tropic (R5) T cell-tropic and macrophage-tropic HIV-1 populations were indepe...

Dicer Is Required for Haploid Male Germ Cell Differentiation in Mice

BackgroundThe RNase III endonuclease Dicer is an important regulator of gene expression that processes microRNAs (miRNAs) and small interfering RNAs (siRNAs). The best-characterized function of miRNAs is gene repression at the post-transcriptional level through the pairing with mRNAs of protein-encoding genes. Small RNAs can also act at the transcriptional level by controlling the epigenetic status of chromatin. Dicer and other mediators of small RNA pathways are present in mouse male germ ce...

How Awareness Changes the Relative Weights of Evidence During Human Decision-Making

Human decisions are based on accumulating evidence over time for different options. Here we ask a simple question: How is the accumulation of evidence affected by the level of awareness of the information? We examined the influence of awareness on decision-making using combined behavioral methods and magneto-encephalography (MEG). Participants were required to make decisions by accumulating evidence over a series of visually presented arrow stimuli whose visibility was modulated by masking. B...

The Role of Dicer Protein Partners in the Processing of MicroRNA Precursors

One of the cellular functions of the ribonuclease Dicer is to process microRNA precursors (pre-miRNAs) into mature microRNAs (miRNAs). Human Dicer performs this function in cooperation with its protein partners, AGO2, PACT and TRBP. The exact role of these accessory proteins in Dicer activity is still poorly understood. In this study, we used the northern blotting technique to investigate pre-miRNA cleavage efficiency and specificity after depletion of AGO2, PACT and TRBP by RNAi. The results...

Effects of basic real network features in model degree of fit as expressed by the NME.

Multiple regression analyses results reporting the F-statistics (F), degrees of freedom (df), determination coefficient (r2) and the partial regression coefficients of each of the following factors: animal species richness (A), plant species richness (P), connectance (C), relative nestedness (N*) and relative modularity (M*). Traces mean that the factor was not included in the best regression. The significance of each factor and the model as a whole is represented as follows:*