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The formation of a zygote by the fusion of egg and sperm involves the two gametic transcriptomes. In flowering plants, the embryo sac embedded within the ovule contains the egg cell, while the pollen grain contains two sperm cells inside a supporting vegetative cell. The difficulties of collecting ...
ORGANISM(S): Oryza sativa Japonica Group 
Aims We aim to use transcriptome analysis to establish on a genome-wide scale the identity and regulatory clusters of genes that specify microgametogenesis from the haploid microspore to mature functional pollen in Arabidopsis. Background Pollen as the haploid male gametophyte plays a vital role in ...
ORGANISM(S): Arabidopsis thaliana 
The induction of genetic competence is a strategy used by bacteria to increase their genetic repertoire under stressful environmental conditions. Recently, Streptococcus pneumoniae has been shown to co-ordinate the uptake of transforming DNA with fratricide via increased expression of the peptide ph...
ORGANISM(S): Streptococcus mutans UA159 
We used a RAG2-GFP reporter mouse to show that RAG+ B lineage cells can be found in the small intestinal lamina proria in normally-housed mice at weaning age. We used microarry expression analysis to compare the RAG2+ population in the gut to the RAG2+ B lineage population in the bone marrow. Microa...
ORGANISM(S): Mus musculus 
At one site (#10), three different batches of MTRRM (see E-TABM-16), were labeled with two different kits (Enzo and Affymetrix) and hybridized to two different Affymetrix Arrays (RAE230A and RAE230_2).
ORGANISM(S): Rattus norvegicus 
Process drift at one site was monitored by assaying the rat Mixed Tissue RNA Reference Material (see E-TABM-16) multiple times a week for 8.5 months.
ORGANISM(S): Rattus norvegicus 
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