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Search results 301 to 348 out of 348 for seed

Category restricted to OntologyTerm (x)

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Category: OntologyTerm
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Type Details Score
Ontology Term
PO:0020063 | hilum
Description: A cardinal part of multi-tissue plant structure (PO:0025498) that is a scar on a seed (PO:0009010) at the place where it was attached to a funicle (PO:0020006).
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Ontology Term
PO:0005360 | aleurone layer
Description: A portion of plant tissue (PO:0009007) that is the outermost layer of endosperm (PO:0009089) in a seed (PO:0009010), its cells being characterized by presence of protein bodies (GO:0042735).
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Ontology Term
TO:0000629 | days to tassel
Description: It is determined as the number of days from the seed sowing to the stage when either the pollen shedding or anther exsertion occurs on the maize tassel.
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Ontology Term
CO_336:0000146/11 | more than 90% seed surface discolored
 
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Ontology Term
PANTHER:PTHR33479:SF18 | SEED TRYPSIN/CHYMOTRYPSIN INHIBITOR IVB-LIKE ISOFORM X1
 
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Ontology Term
PANTHER:PTHR35496:SF7 | 2S SULFUR-RICH SEED STORAGE PROTEIN 2-LIKE
 
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Ontology Term
PANTHER:PTHR47877:SF2 | SEED BIOTIN-CONTAINING PROTEIN SBP65-LIKE ISOFORM X1
 
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Ontology Term
PANTHER:PTHR22597:SF24 | POLYCOMB GROUP PROTEIN FERTILIZATION-INDEPENDENT SEED 2
 
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Ontology Term
PANTHER:PTHR35496:SF19 | 2S SULFUR-RICH SEED STORAGE PROTEIN 2-LIKE
 
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Ontology Term
SOY:0001424 | Reaction to Diaporthe phaseolorum var sojae Infection
Description: Reaction of the plant or plant part to Diaporthe phaseolorum var sojae.
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Ontology Term
SOY:0001308 | Reaction to Alternaria alternata infection
Description: Reaction of the plant or plant part to Alternaria alternata infection.
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Ontology Term
Pfam:PF05633 | Protein ROH1-like
Description: This family consists of several plant proteins and includes RHO1, an interactor of the exocyst subunit Exo70A1 and has been shown to be required for seed coat mucilage deposition [1].
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Ontology Term
PO:0020099 | microgametophyte vegetative cell
Description: A native plant cell (PO:0025606) that is the larger cell of a microgametophyte (PO:0025280) in seed plants. It does not divide further and develops into a pollen tube cell (PO:0025195).
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Ontology Term
Pfam:PF01439 | Metallothionein
Description: Members of this family are metallothioneins. These proteins are cysteine rich proteins that bind to heavy metals. Members of this family appear to be closest to Class II metallothioneins, seed Pfam:PF00131.
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Ontology Term
Pfam:PF02987 | Late embryogenesis abundant protein
Description: Different types of LEA proteins are expressed at different stages of late embryogenesis in higher plant seed embryos and under conditions of dehydration stress. The function of these proteins is unknown.
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Ontology Term
PO:0030104 | caryopsis fruit
Description: A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that are fused to a seed coat (PO:0009088).
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Ontology Term
PO:0030102 | nut fruit
Description: A fruit (PO:0009001) which develops from a gynoecium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), dry mesocarp (PO:0009087), and dry endocarp (PO:0009086) that are not fused to a seed coat (PO:0009088).
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Ontology Term
PO:0007631 | plant embryo development stage
Description: A sporophyte vegetative stage (PO:0007134) that occurs during the interval between the first cell division of a plant zygote (PO:0000423) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
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Ontology Term
PO:0001081 | mature plant embryo stage
Description: A plant embryo development stage (PO:0007631) during the interval between when a plant embryo (PO:0009009) has stopped developmental growth involved in morphogenesis (GO:0060560) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
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Ontology Term
PO:0025377 | plant embryo dormant stage
Description: A mature plant embryo stage (PO:0001081) during the interval between when a plant embryo (PO:0009009) begins a dormancy process (GO:0022611) and one of the following: the beginning of the seed germination stage (PO:0007057) in seed plants, formation of the first vascular leaf (PO:0009025) in pteridophytes, the beginning of development of a sporangium (PO:0025094) in bryophytes, or the beginning of the formation of a plant organ (PO:0009008) such as a root (PO:0009005), shoot axis (PO:0025029), or vascular leaf (PO:0009025) in a cultured plant embryo (PO:0000010).
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Ontology Term
TO:0000269 | 100-grain weight
Description: A grain weight (TO:0000919) which is the weight of a sample of 100 grains (caryopsis fruit; PO:0030104), with the caryopsis hull (PO:0006000).
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Ontology Term
TO:0000382 | 1000-grain weight
Description: A grain weight (TO:0000919) which is the weight of a sample of 1000 grains (caryopsis fruit; PO:0030104), with the caryopsis hull (PO:0006000).
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Ontology Term
SOY:0001448 | Reaction to Cercospora kikuchii infection
Description: Reaction of the plant or plant part to Cercospora kikuchii infection.
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Ontology Term
Pfam:PF05691 | Raffinose synthase or seed imbibition protein Sip1
Description: This family consists of several raffinose synthase proteins, also known as seed imbibition (Sip1) proteins. Raffinose (O-alpha- D-galactopyranosyl- (1-->6)- O-alpha- D-glucopyranosyl-(1<-->2)- O-beta- D-fructofuranoside) is a widespread oligosaccharide in plant seeds and other tissues. Raffinose synthase (EC:2.4.1.82) is the key enzyme that channels sucrose into the raffinose oligosaccharide pathway [1]. Raffinose family oligosaccharides (RFOs) are ubiquitous in plant seeds and are thought to play critical roles in the acquisition of tolerance to desiccation and seed longevity. Raffinose synthases are alkaline alpha-galactosidases and are solely responsible for RFO breakdown in germinating maize seeds, whereas acidic galactosidases appear to have other functions [2]. Glycoside hydrolase family 36 can be split into 11 families, GH36A to GH36K [3]. This family includes enzymes from GH36C.
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Ontology Term
SOY:0001832 | Seed nitrogen content at growth stage R7
Description: The nitrogen content of seeds at growth stage R7.
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Ontology Term
SOY:0001831 | Seed nitrogen content at growth stage R6
Description: The nitrogen content of seeds at growth stage R6.
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Ontology Term
PANTHER:PTHR33470:SF56 | PROTEIN SEED AND ROOT HAIR PROTECTIVE PROTEIN
 
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Ontology Term
TO:0000437 | male sterility
Description: In plants, it represents the incompetence of the pollen to fertilize the ovum. Reasons could be non-viable pollen, incompatibility, pollen abortion, toxicity, genetic etc. Usually determined by either the pollen sterility or spikelet fertility (percent seed set).
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Ontology Term
TO:0001008 | days to flag leaf emergence
Description: In grass plants the number of days required for the full emergence of the flag leaf in a field or study. It can be counted from date of seed sowing or the transplant (in case of rice).
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Ontology Term
PO:0030107 | achene fruit
Description: A fruit (PO:0009001) which develops from a carpel (PO:0009030) or gyneocium (PO:0009062) and at maturity comprises a dry exocarp (PO:0009085), a dry mesocarp (PO:0009087), and a dry endocarp (PO:0009086) that are connected to a seed coat (PO:0009088) by a funicle (PO:0020006).
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Ontology Term
Pfam:PF04702 | Vicilin N terminal region
Description: This region is found in plant seed storage proteins, N-terminal to the Cupin domain (Pfam:PF00190). In Macadamia integrifolia (Swiss:Q9SPL4), this region is processed into peptides of approximately 50 amino acids containing a C-X-X-X-C-(10-12)X-C-X-X-X-C motif. These peptides exhibit antimicrobial activity in vitro [1].
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Ontology Term
PO:0019026 | tracheid bar
Description: A portion of xylem (PO:0005352) tissue that is a distinct ring-like structure composed of tracheids (PO:0000301), that is part of a seed (PO:0009010) and surrounds the hilum (PO:0020063) and forms a groove in the surface of the pericarp (PO:0009084) immediately adjacent to the hilum.
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Ontology Term
TO:0000344 | days to flowering trait
Description: A flowering time trait (TO:0002616) which is the number of days required for an individual flower (PO:0009046), a whole plant (PO:0000003) or a plant population to reach flowering stage (PO:0007616) from a predetermined time point (e.g. the date of seed sowing, seedling transplant, or seedling emergence).
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Ontology Term
Pfam:PF05264 | Choristoneura fumiferana antifreeze protein (CfAFP)
Description: This family consists of several antifreeze proteins from the insect Choristoneura fumiferana (Spruce budworm). Antifreeze proteins (AFPs) and antifreeze glycoproteins (AFGPs) are present in many organisms that must survive sub-zero temperatures. These proteins bind to seed ice crystals and inhibit their growth through an adsorption-inhibition mechanism [1].
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Ontology Term
TO:0000392 | sterility or fertility trait
Description: A plant trait (TO:0000387) which is a measure of either the fertility or sterility, contributed by nonfunctional male and or female plant parts or their incompatible interaction. This also includes traits on seed setting behavior in the fruit (caryopsis) of a grass plant that can be assayed in terms of spikelet sterility or fertility.
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Ontology Term
Pfam:PF03168 | Late embryogenesis abundant protein
Description: Different types of LEA proteins are expressed at different stages of late embryogenesis in higher plant seed embryos and under conditions of dehydration stress. The function of these proteins is unknown. This family represents a group of LEA proteins that appear to be distinct from those in Pfam:PF02987. The family DUF1511, Pfam:PF07427, has now been merged into this family.
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Ontology Term
TO:0000403 | leaf-folder resistance
Description: Causal agent: Cnaphalocrosis medinalis, Marasmia patnalis. Symptoms: larvae consume the leaf tissue except the epidermis, causing typical white streaks. They create a leaf tube during later stages of feeding. Plant is susceptible and resistant check (if available) after every 10-test entries. Replicate the test three times, if seed is available. Determined by percentage of damaged and folded leaves.
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Ontology Term
Pfam:PF00035 | Double-stranded RNA binding motif
Description: Sequences gathered for seed by HMM_iterative_training Putative motif shared by proteins that bind to dsRNA. At least some DSRM proteins seem to bind to specific RNA targets. Exemplified by Staufen, which is involved in localisation of at least five different mRNAs in the early Drosophila embryo. Also by interferon-induced protein kinase in humans, which is part of the cellular response to dsRNA.
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Ontology Term
Pfam:PF05042 | Caleosin related protein
Description: This family contains plant proteins related to caleosin. Caleosins contain calcium-binding domains and have an oleosin-like association with lipid bodies. Caleosins are present at relatively low levels and are mainly bound to microsomal membrane fractions at the early stages of seed development. As the seeds mature, overall levels of caleosins increased dramatically and they were associated almost exclusively with storage lipid bodies [1]. This family is probably related to EF hands Pfam:PF00036.
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Ontology Term
Pfam:PF19439 | CLEC16A C-terminal
Description: This is the C-terminal domain of C-type lectin domain family 16, member A (CLEC16A, the Drosophila orthologue Ema and GOP-1 in C. elegans), an evolutionarily conserved endosomal membrane protein required for trafficking of fluid-phase and receptor-mediated endocytic cargos. It is required for mitophagy, autophagy and endosome maturation [1-3]. This protein has been identified as a susceptibility gene for autoimmune diseases like type 1 diabetes, multiple sclerosis and adrenal dysfunction. This domain is also present in GFS9/TT9 (TRANSPARENT TESTA 9) a protein from Arabidopsis required for vacuolar development through membrane fusion at vacuoles and for membrane trafficking machinery and accumulation of flavonoids in the seed coat [4].
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Ontology Term
TO:0000152 | panicle number
Description: A panicle morphology trait (TO:0000847) which is the average number of panicles per plant in a study.
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Ontology Term
Pfam:PF03083 | Sugar efflux transporter for intercellular exchange
Description: This family includes proteins such as drosophila saliva [1], MtN3 involved in root nodule development [3] and a protein involved in activation and expression of recombination activation genes (RAGs) [2]. Although the molecular function of these proteins is unknown, they are almost certainly transmembrane proteins. This family contains a region of two transmembrane helices that is found in two copies in most members of the family. This family also contains specific sugar efflux transporters that are essential for the maintenance of animal blood glucose levels, plant nectar production, and plant seed and pollen development. In many organisims it meditaes gluose transport; in Arabidopsis it is necessary for pollen viability; and two of the rice homologues are specifically exploited by bacterial pathogens for virulence by means of direct binding of a bacterial effector to the SWEET promoter [4].
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Ontology Term
Pfam:PF00076 | RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)
Description: The RRM motif is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and protein components of snRNPs. The motif also appears in a few single stranded DNA binding proteins. The RRM structure consists of four strands and two helices arranged in an alpha/beta sandwich, with a third helix present during RNA binding in some cases The C-terminal beta strand (4th strand) and final helix are hard to align and have been omitted in the SEED alignment The LA proteins (Swiss:P05455) have an N terminal rrm which is included in the seed. There is a second region towards the C terminus that has some features characteristic of a rrm but does not appear to have the important structural core of a rrm. The LA proteins (Swiss:P05455) are one of the main autoantigens in Systemic lupus erythematosus (SLE), an autoimmune disease.
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Ontology Term
Pfam:PF12699 | phiKZ-like phage internal head proteins
Description: Phage internal head proteins (IP) are proteins that are encoded by a bacteriophage and assembled into the mature virion inside the capsid head. The most analogous characterised IP proteins are those of bacteriophage T4, which are known to be proteolytically processed during phage maturation, and then subsequently injected into the host cell during infection. The phiKZ_IP family consists of internal head proteins encoded by phiKZ-like phages. Each phage encodes three to six members of this family [1]. Members of the family reside in the head [2] and are cleaved during phage maturation to separate an N-terminal propeptide from a C-terminal domain. The C-terminal domain remains in the mature capsid. The N-terminal propeptide domain is either mostly or completely removed from the mature capsid. In one case, an unrelated polypeptide is embedded in the propeptide and also remains in the mature capsid. The phiKZ-like IP proteins are not discernibly homologous to the T4 IP proteins, and it is not known if the phiKZ-like IP proteins are injected into the host cell, or have some other function within the head. The alignment and HMM model exclude most of the propeptide region, but include the cleavage sites. The first 100 residues, including the cleavage sites, constitute the most conservative part of the seed alignment.
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Ontology Term
PO:0007010 | whole plant fruit ripening stage
Description: A whole plant fruit development stage (PO:0025500) that begins when the first fruit (PO:0009001) on a whole plant (PO:0000003) begins the process of ripening (GO:0009835) in a way which, in case there are other fruits, the majority of the other fruits start to ripen continuously therewith, and ends with earliest of the following: (1) the whole plant begins a sporophyte senescent stage (PO:0007017), (2) the whole plant begins a sporophyte dormant stage (PO:0007132), or (3) all fruits on the whole plant are finished ripening.
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Ontology Term
Pfam:PF00407 | Pathogenesis-related protein Bet v 1 family
Description: This family is named after Bet v 1, the major birch pollen allergen. This protein belongs to family 10 of plant pathogenesis-related proteins (PR-10), cytoplasmic proteins of 15-17 kd that are wide-spread among dicotyledonous plants [1]. In recent years, a number of diverse plant proteins with low sequence similarity to Bet v 1 was identified. A classification by sequence similarity yielded several subfamilies related to PR-10 [2]: - Pathogenesis-related proteins PR-10: These proteins were identified as major tree pollen allergens in birch and related species (hazel, alder), as plant food allergens expressed in high levels in fruits, vegetables and seeds (apple, celery, hazelnut), and as pathogenesis-related proteins whose expression is induced by pathogen infection, wounding, or abiotic stress. Hyp-1 (Swiss:Q8H1L1), an enzyme involved in the synthesis of the bioactive naphthodianthrone hypericin in St. John's wort (Hypericum perforatum) also belongs to this family. Most of these proteins were found in dicotyledonous plants. In addition, related sequences were identified in monocots and conifers. - Cytokinin-specific binding proteins: These legume proteins bind cytokinin plant hormones [3]. - (S)-Norcoclaurine synthases are enzymes catalysing the condensation of dopamine and 4-hydroxyphenylacetaldehyde to (S)-norcoclaurine, the first committed step in the biosynthesis of benzylisoquinoline alkaloids such as morphine [4]. -Major latex proteins and ripening-related proteins are proteins of unknown biological function that were first discovered in the latex of opium poppy (Papaver somniferum) and later found to be upregulated during ripening of fruits such as strawberry and cucumber [4]. The occurrence of Bet v 1-related proteins is confined to seed plants with the exception of a cytokinin-binding protein from the moss Physcomitrella patens (Swiss:Q9AXI3).
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Ontology Term
PO:0007031 | mid whole plant fruit ripening stage
Description: The stage when fruit ripening is midway.
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Ontology Term
PO:0007038 | whole plant fruit ripening complete stage
Description: The stage at which fruit ripening is complete.
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USDA
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