Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Transcription factor E2FA; Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication. The binding of retinoblastoma-related proteins represses transactivation. Regulates gene expression both positively and negatively. Activates the expression of E2FB. Involved in the control of cell-cycle progression from G1 to S phase. Stimulates cell proliferation and delays differentiation. Belongs to the E2F/DP family.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Transcription factor E2FB; Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication. The binding of retinoblastoma-related proteins represses transactivation. Involved in the control of cell-cycle progression from G1 to S phase and from G2 to M phase. Stimulates cell proliferation and delays differentiation. Represses cell enlargement and endoreduplication in auxin-free conditions.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Transcription factor E2FC; Involved in transcriptional repression. May act by repressing E2F-regulated genes in mature differentiated cells, but is not an antagonist of E2FA. Restricts cell division and is involved in the coordination between cell proliferation and endoreduplication during development. May play a role during the transition from skotomorphogenesis to photomorphogenesis. Regulated by phosphorylation- dependent proteolysis via the protein-ubiquitin ligase SCF(SKP2A) complex. Belongs to the E2F/DP family.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Probable histone H2AXb; Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post- translational modifications of histones, also called histone code, and nucleosome remodeling. Required for checkpoint-mediated arrest of cell cycle progression in response [...]

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Poly [ADP-ribose] polymerase 2; Involved in the base excision repair (BER) pathway, by catalyzing the poly(ADP-ribosyl)ation of a limited number of acceptor proteins involved in chromatin architecture and in DNA metabolism. This modification follows DNA damages and appears as an obligatory step in a detection/signaling pathway leading to the reparation of DNA strand breaks (By similarity).

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Proliferating cellular nuclear antigen 1; This protein is an auxiliary protein of DNA polymerase delta and is involved in the control of eukaryotic DNA replication by increasing the polymerase's processibility during elongation of the leading strand; Belongs to the PCNA family.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Peroxidase 53; Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue; Belongs to the peroxidase family. Classical plant (class III) peroxidase subfamily.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

DNA repair protein RAD51 homolog 1; Binds to single and double-stranded DNA and exhibits DNA- dependent ATPase activity. Unwinds duplex DNA (By similarity). Component of the meiotic recombination pathway. Seems to play a role in mediating chromosome homology search, chromosome pairing and synapsis at early stages and probably chromosome crossing-over at later stages in meiosis. Probably is involved in the repair of meiotic double strand breaks (DBSs) generated by AtSPO11-1 and in homologous recombination. Its function is dispensable for vegetative growth and root mitosis.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Retinoblastoma-related protein 1; Key regulator of entry into cell division. Acts as a transcription repressor of E2F target genes, whose activity is required for progress from the G1 to the S phase of the cell cycle. Hyperphosphorylation by CDKA-1 prevents the binding to E2F transcription factors, allowing G1 to S phase transition to operate. Forms a stable complex with E2FA that functions in maintaining cell proliferation through repression of cell differentiation. Plays a central role in the mechanism controlling meristem cell differentiation, cell fate establishment and cell fate m [...]

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Cyclin-dependent protein kinase inhibitor SMR4; Probable cyclin-dependent protein kinase (CDK) inhibitor that functions as a repressor of mitosis in the endoreduplication cell cycle. Acts as a potent cell cycle inhibitor.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Cyclin-dependent protein kinase inhibitor SMR5; Probable cyclin-dependent protein kinase (CDK) inhibitor that functions as a repressor of mitosis in the endoreduplication cell cycle. Acts as a potent cell cycle inhibitor, regulating a hydroxyurea-dependent checkpoint in leaves. Essential to activate a high-light-dependent cell cycle checkpoint.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

SUPPRESSOR OF GAMMA RESPONSE 1; Transcription factor regulating the transcriptional activation response to gamma irradiation. Required for stem-cell death induced by UVB or by gamma irradiation. Not required for ATM activation, but participates in pathways governed by both ATM and ATR sensor kinases. Involved in DNA damage response (DDR) system that regulates cell cycle arrest. Functional homolog of animal p53. Regulates SMR5 and SMR7 transcription. Regulates DNA repair and cytokinin signaling separately and plays a key role in controlling lateral root formation under genotoxic stress.

Protein BREAST CANCER SUSCEPTIBILITY 1 homolog; Plays a role in DNA repair and in cell-cycle control. Required for the repair of DNA double-strand breaks (DSBs), both natural and induced by genotoxic stress, by homologous recombination (HR).

Wee1-like protein kinase; Cell cycle regulatory kinase that is not rate-limiting for cycle progression under normal growth conditions. Transcriptionally activated upon DNA stress or damage in an ATR- or ATM-dependent manner. Once activated, inhibits plant growth by arresting dividing cells in the G2 phase before proceeding into mitosis. Down-regulates CDKA-1 and CDKD-2 by tyrosine phosphorylation. May target principally CDKA-1.

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Cyclin-D3-1; Involved in the control of the cell cycle at the G1/S (start) transition. Activates the G1/S phase transition in response to cytokinin hormone signal, but declines in response to sucrose starvation leading to G1 arrest. Involved in the induction of mitotic cell division. Plays an important role in the switch from cell proliferation to the final stages of differentiation during plant development. May not be involved in the activation of cell cycle in the root apical meristem (RAM) in the early phase of seed germination. Promotes divisions in the guard cells (GCs) after the [...]

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Transcription factor E2FA; Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication. The binding of retinoblastoma-related proteins represses transactivation. Regulates gene expression both positively and negatively. Activates the expression of E2FB. Involved in the control of cell-cycle progression from G1 to S phase. Stimulates cell proliferation and delays differentiation. Belongs to the E2F/DP family.

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Transcription factor E2FB; Transcription activator that binds DNA cooperatively with DP proteins through the E2 recognition site, 5'-TTTC[CG]CGC-3' found in the promoter region of a number of genes whose products are involved in cell cycle regulation or in DNA replication. The binding of retinoblastoma-related proteins represses transactivation. Involved in the control of cell-cycle progression from G1 to S phase and from G2 to M phase. Stimulates cell proliferation and delays differentiation. Represses cell enlargement and endoreduplication in auxin-free conditions.

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Transcription factor E2FC; Involved in transcriptional repression. May act by repressing E2F-regulated genes in mature differentiated cells, but is not an antagonist of E2FA. Restricts cell division and is involved in the coordination between cell proliferation and endoreduplication during development. May play a role during the transition from skotomorphogenesis to photomorphogenesis. Regulated by phosphorylation- dependent proteolysis via the protein-ubiquitin ligase SCF(SKP2A) complex. Belongs to the E2F/DP family.

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Probable histone H2AXb; Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post- translational modifications of histones, also called histone code, and nucleosome remodeling. Required for checkpoint-mediated arrest of cell cycle progression in response [...]

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

Proliferating cellular nuclear antigen 1; This protein is an auxiliary protein of DNA polymerase delta and is involved in the control of eukaryotic DNA replication by increasing the polymerase's processibility during elongation of the leading strand; Belongs to the PCNA family.

Cyclin-dependent kinase A-1; Involved in the control of the cell cycle. Essential for both G1/S and G2/M (mitosis) phase transitions. Functions in cell morphogenesis as well as cell proliferation. Required for cell division (entry into mitosis) of the generative cell in male gametogenesis. Required to trigger guard mother cells (GMC) symmetric divisions at the late stage of stomatal development, probably via the regulation of G1 to S transition in the cell cycle. Required for the function of SPCH in entering the stomatal lineage. Promotes divisions in the guard cells (GCs) after the gu [...]

DNA repair protein RAD51 homolog 1; Binds to single and double-stranded DNA and exhibits DNA- dependent ATPase activity. Unwinds duplex DNA (By similarity). Component of the meiotic recombination pathway. Seems to play a role in mediating chromosome homology search, chromosome pairing and synapsis at early stages and probably chromosome crossing-over at later stages in meiosis. Probably is involved in the repair of meiotic double strand breaks (DBSs) generated by AtSPO11-1 and in homologous recombination. Its function is dispensable for vegetative growth and root mitosis.