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Bee pollen is consumed for its nutritional and pharmacological benefits, but it also contains hazardous allergens which has not been identified. Here, we identified 2 potential allergens, glutaredoxin and oleosin-B2, in Brassica napus (B. napus) bee pollen using mass spectrometr...

2022-03-23 | MTBLS3950 | MetaboLights

Sunflower pollen is a natural nutritious food with a long history and multiple functions, however, the main chemical components apart from flavonoids and their biosynthesis processes have not been thoroughly investigated. In this study, seven hydroxycinnamic acid amides (HCAAs) (1-7) abundant in ...

2021-10-15 | MTBLS3075 | MetaboLights
Upon germination, pollen forms a tube that elongates dramatically through female tissues in order to reach and fertilize ovules. While essential for the life cycle of higher plants, the genetic basis underlying most of the process is not well understood. We used Affymetrix Arabidopsis ATH1 Genome Ar...
ORGANISM(S): Arabidopsis thaliana 

This study utilized broad-target metabolomics to analyze the metabolic changes underlying the inhibition of pollen tube growth in Clematis one-way hybrid crosses with low compatibility. It identified differentially accumulated metabolites and elucidated the key metabolic pathways involved in one-...

2026-09-23 | MTBLS15784 | MetaboLights
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ORGANISM(S): Various 
Pollen tubes extend through pistil tissues and are guided to ovules where they release sperm for fertilization. Although pollen tubes can germinate and elongate in a synthetic medium, their trajectory is random and their growth rates are slower compared to growth in pistil tissues. Furthermore, inte...
ORGANISM(S): Arabidopsis thaliana 
In sexual reproduction, a proper communication and cooperation between male and female organs and tissue are essential for male and female gametes to unite. In flowering plants, female sporophytic tissues and gametophyte direct a male pollen tube towards an egg apparatus, which consists of an egg ce...
ORGANISM(S): Arabidopsis thaliana 
Sperm cells represent the male partner that fuses with the egg cell during fertilization in all multi-cellular eukaryotic organisms, and, in flowering plants, is a founder of both embryo and nutritive endosperm. We examined the transcriptome of Oryza sativa ssp. japonica using the Affymetrix 57K ri...
ORGANISM(S): Oryza sativa 
Effects of loss-of-function of AtMIKC* MADS-box genes on the mature Arabidopsis pollen transcriptome.
ORGANISM(S): Arabidopsis thaliana 
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