photosystem I 10 article 8 Photosystem I Protein Complex 6 metabolism 6 Base Sequence 4 Chlorophyll 4 Chloroplasts 4 Cytoplasm 4 Gene Expression Regulation, Plant 4 Genes, Plant 4 Germination 4 Hordeum 4 Hordeum vulgare 4 Immunoblotting 4 Inheritance Patterns 4 Mutation 4 Phenotype 4 Photochemistry 4 Photosynthesis 4 Pigments, Biological 4 Plant Extracts 4 Plant Proteins 4 RNA Splicing 4 RNA splicing 4 RNA, Messenger 4 Seedling 4 Spectrometry, Fluorescence 4 Temperature 4 Thylakoids 4 barley 4