(A) Confocal micrographs of Nicotiana benthamiana leaf epidermal cells transiently expressing either RFP:AIMp (left), RFP:PexRD54 (middle), or RFP:GUS (right), with GFP:ATG8CL. Scale bars = 10 µm. …
Source data for western blots and autophagosome counts.
The ZIP archive contains full sized immune blots and data sheet values for autophagosome quantification.
(A) Western blots show depletion of GFP:ATG8CL is substantially reduced by RFP:AIMp compared to RFP:PexRD54 and RFP:GUS control beyond 2 days post infiltration. (B) Western blots show various …
Source data for western blots and autophagosome counts.
The ZIP archive contains full sized immune blots and data sheet values for autophagosome quantification.
(A) Western blots show depletion of GFP:ATG8CL is substantially reduced by RFP:AIMp compared to RFP:PexRD54 and RFP:GUS control beyond 2 days post Agrobacterium-mediated expression. (B) Empty vector …
RNA was extracted at 2, 4, and 6 dpi from the N. benthamiana leaves expressing RFP:PexRD54, RFP:AIMp, or RFP:GUS. RT-PCR was performed using primers that amplify 5’ RFP and 3’ UTR regions of the RFP …
Single plane confocal micrographs of N. benthamiana leaf epidermal cells expressing RFP:RD54 or RFP:AIMp at 2, 4, and 6 dpi. Scale bars represent 10 μm.
Western blot shows depletion of GFP:ATG8CL is substantially reduced by RFP:AIMp but not with mutant RFP:mAIMpAA(WEIV to AEIA) and RFP:EV control 3 days post agroinfiltration. Red asterisks indicate …
(A) RFP:AIMp stabilizes endogenous NBR1/Joka2 and ATG8(s), whereas PexRD54 has a milder effect on NBR1/Joka2 stabilization but no apparent effect on ATG8(s) compared to RFP:GUS control. (B) AIMp …
Maximum projection confocal micrographs of N. benthamiana root epidermal cells exogenously supplied with either CF-AIMpsyn (top) or CF-mAIMpsyn (bottom). Both AIMp and its mutant form are …
Single-plane confocal micrographs of WT N. benthamiana exogenously supplied with 5-Carboxyfluorescein (CF) tagged versions of AIMsyn and mAIMsyn, showing peptide translocation into the …
(A) In planta co-immunoprecipitation between Rab8a and PexRD54 or PexRD54AIM. RFP:Rab8a was transiently co-expressed with either GFP:EV, GFP:PexRD54 or GFP:PexRD54AIM. Red asterisks indicate …
Source data for western blots, Rab8a/mutant sequences, autophagosome counts, and localization data sheets.
The ZIP archive contains full sized immune blots, Rab8a wt and mutant sequences, and data sheet values for autophagosome quantification and colocalization assays.
In planta co-immunoprecipitation between PexRD54 and GFP:NbRab8a, GFP:StRab8a or an GFP Empty vector (GFP:EV). FLAG:PexRD54 was transiently co-expressed with either GFP:NbRab8a, GFP:StRab8a or an …
Single-plane confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing either GFP:Rab8a with the plasma membrane marker RFP:REM1.3 (A) or GFP:Rab8a alone (B). (A-B) Rab8a …
(A) Amino acid sequences of S. tuberosum Rab8aQ74L (top), wild type Rab8a (middle) and Rab8aS29N (bottom) proteins. (B–D) Maximum projection confocal micrographs of N. benthamiana leaf epidermal …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing BFP:PexRD54 with GFP:Rab8a (A), GFP:Rab8aS29N (B), GFP:Rab8aQ74L (C), or GFP:EV (D). Transects …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing either RFP:PexRD54 or RFP:AIMp, with either (B, D) GFP:Rab8aS29N or (A, C) GFP:Rab8aQ74L. While …
(A–C) Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing either BFP:EV (A), BFP:PexRD54 (B), or BFP:AIMp (C), with GFP:Rab8a and RFP:ATG8CL. Dashed …
Source data for western blots, colocalization data sheets and image analysis plugin.
The ZIP archive contains full sized immune blots, data sheet values for colocalization analyses, and Fiji Macro/plugin used for puncta colocalization.
(A–B) Maximum projection confocal micrographs of GFP:NbRab8a transgenic N. benthamiana leaf epidermal cells transiently expressing either (A) HA:PexRD54, or (B) HA:EV, with GFP:ATG8CL and …
RNA was extracted at 2dpi from the N. benthamiana leaves expressing 3XHA:EV, 3XHA:PexRD54 or 3XHA:AIMp. RT-PCR was performed using Vector primers that amplify 5’ and 3’ UTR regions of the HA …
Maximum projection confocal micrographs (xyz) of N. benthamiana leaf epidermal cells transiently expressing RFP:Rab8a and ATG9:GFP with either (A) BFP:PexRD54, (B) BFP:AIMp, or (C) BFP:EV. Transects …
(A–B) RNAi-mediated silencing of Rab8a leads to reduction of autophagosome numbers induced by PexRD54. (A) Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing …
Source data for Rab8a sequences and autophagosome counts.
The ZIP archive contains NbRab8a_1–4 and StRab8a DNA sequences and data sheet values for autophagosome quantification.
Constructs carrying hairpin plasmids (pRNAi-GG) targeting NbRab8a, or GUS reporter gene were infiltrated to N. benthamiana and the expression of targeted genes was assessed by RT-PCR at 3 days post …
(A) Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL and GFP:EV with either RNAi:GUS (left column) or RNAi:NbRab8a1-2 (right column). …
RT-PCR validates silencing of NbRab8a-1 for Figure 5A–B when RNAi:NbRab8a1-2 is expressed, compared to RNAi:GUS expression.
RT-PCR validates efficient silencing of NbRab8a1-4 when RNAi:NbRab8a1-4 is expressed, compared to RNAi:GUS expression. Rab11 is not efficiently silenced by RNAi:NbRab8a1-4 compared to RNAi:GUS.
Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL with either RNAi:Rab8a1-4 (Left panel) or RNAi:GUS (Mid panel). Images shown are maximal projections of …
(A) Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL and GFP:PexRD54 with either RNAi:Rab8a1-4 (Top) or RNAi:GUS (Bottom). Images …
(A) Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL with either GFP:Rab8aN128I (top) or GFP:Rab8a (bottom) together with either HA:EV …
A) Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL with either GFP:Rab8aN128I (top) or GFP:EV (bottom) together with either …
(A) Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing BFP:PexRD54 with either GFP:Rab8aS29N, GFP:Rab8a, GFP:Rab8aQ74L, or GFP:EV. Scale bars represent 10 μm (B) …
(A) Confocal micrographs of Nicotiana benthamiana leaf epidermal cells transiently expressing either Joka2:RFP (top) or RFP:PexRD54 (bottom), with GFP:Rab8a. Dashed circle highlights co-localized …
Source data for western blots, autophagosome counts and colocalization values.
The ZIP archive contains uncropped full sized immune blots, data sheet values for autophagosome quantification and colocalization assays.
RT-PCR verified gene silencing of NbRab8a-1. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) was used as internal control.
(A) Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing either RFP:EV or RFP:PexRD54, with GFPATG8CL under normal light or 24-hour-dark conditions. (B) Scatter-boxplot …
Source data for western blots, autophagosome counts and colocalization values.
The ZIP archive contains uncropped full sized immune blots, data sheet values for autophagosome quantification and colocalization assays.
(A–B) compared to normal light conditions (control treatment), dark treatment (24 hr) slightly enhances the depletion of; (A) endogenous ATG8(s); (B) transiently expressed RFP:ATG8CL. In B, N. …
Maximum projection confocal micrographs of Nb::35SGFP:Rab8a N. benthamiana leaf epidermal cells transiently expressing RFP:ATG8CL under normal light or 24-hr-dark conditions. Scale bars represent 10 …
Maximum projection confocal micrographs (xyz) of N. benthamiana leaf epidermal cells transiently expressing GFP:Rab8a, stained with Bodipy C12 and exposed to either 24-hr-dark treatment or normal …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing GFP:Rab8a, BFP:ATG8CL and stained with Bodipy C-12. Images shown are maximal projections of 15 …
Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing BFP:PexRD54 with GFP:Rab8a and stained with Bodipy C-12. Transects in overlay panel correspond to plot of relative …
Confocal micrographs (xy) of N. benthamiana leaf epidermal cells transiently expressing BFP:PexRD54 with either GFP:Rab8a and stained with Bodipy C-12 or RFP:Rab8a and YFP:Oleosin. Transects in …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells treated with Bodipy C-12 dye to mark lipid droplets while transiently expressing GFP Rab8 with either BFP PexRD54 …
(A) Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing BFP:PexRD54, YFP:Oleosin with either RNAi:NbRab8a1-4 or RNAi:GUS. Images shown are maximal projections of 15–25 …
RT-PCR validates efficient silencing of NbSeipin-A but not NbSeipin-B when RNAi:Seipin is expressed, compared to RNAi:GUS expression.
Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing YFP:Oleosin with either RNAi:Seipin or RNAi:GUS. Images shown are maximal projections of 15–25 frames with 1 μm …
Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing RFP:PexRD54 with either RNAi:Seipin or RNAi:GUS. Images shown are maximal projections of 15–25 frames with 1 μm …
(A-D) Confocal micrographs of P. infestans-infected N. benthamiana leaf epidermal cells transiently expressing either BFP:PexRD54 (A), BFP:EV (B), BFP:AIMp (C) or Joka2:BFP (D), with both RFP:ATG8CL …
Source data for infection assays.
The ZIP archive contains data sheet values for infection assays in Figure 8—figure supplements 6–8.
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells infected with P. infestans (three dpi) and transiently expressing GFP:Rab8a. (A) Tissue infected with P. infestans …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells infected with P. infestans (3 dpi) and transiently expressing RFP:ATG8CL, GFP:Rab8a and either BFP:PexRD54, BFP:AIMp, …
(A–C) Confocal micrographs of N. benthamiana leaf epidermal cells transiently expressing (A) GFP:Rab8a, BFP:PexRD54, and GmMan11-49-mCherry (Golgi marker) or (B) GFP:Rab8a, BFP:PexRD54, and ScCOX41-2…
Confocal micrographs of N. benthamiana leaf epidermal cells infected with P. infestans (3 dpi) and transiently expressing (A) RFP:Rab8a, BFP:PexRD54, and YFP:Oleosin or (B) GFP:Rab8a, BFP:PexRD54 …
Maximum projection confocal micrographs of N. benthamiana leaf epidermal cells infected with P. infestans (3 dpi) and transiently expressing either GFP Rab8a GTP (A), GFP Rab8a GDP (B), GFP (C), or …
(A) Silencing endogenous Rab8a 1–4 significantly increases P. infestans infection lesion size (22, N = 28 infected leaves) compared to a silencing control (11, N = 37 infected leaves). N. benthamiana…
(A) Complementing Rab8a 1–4 silencing with a silencing resistant GFP:Rab8asyn (NbRab8a-1) recovers resistance to P. infestans. When Rab8a 1–4 is silenced, expression of GFP:Rab8asyn significantly …
infestans hyphal growth. Expression of GFP:Rab8aN128I (36, N = 42 infected leaves ) significantly increases P. infestans necrotic lesion size compared to an empty vector GFP control (20, N = 41 …
(A) Confocal micrographs of P. infestans-infected N. benthamiana leaf epidermal cells transiently expressing either RFP:AIMp (top), RFP:PexRD54 (middle), or PM-haustorial marker RFP:Rem1.3 (bottom), …
Source data for infection assays.
Data sheet values for infection assays performed in Figure 9D.
Under carbon starvation conditions, Rab8a recruits lipid droplets (LDs) to the phagophore assembly site that contains ATG8CL to drive starvation-induced autophagy, possibly via an unknown cargo …
GFP:Rab8a is co-expressed with the EHM marker RFP:REM1.3 via agroinfiltration in N. benthamiana leaf epidermal cells. Confocal laser scanning microscopy was used to monitor Rab8a-labeled vesicles 3 …
RFP:Rab8a, BFP:PexRD54, and ATG9-GFP are co-expressed three via agroinfiltration in N. benthamiana leaf epidermal cells. Confocal laser scanning microscopy was used to monitor PexRD54/Rab8a-labeled …
GFP:Rab8a, BFP:PexRD54 are co-expressed three via agroinfiltration in N. benthamiana leaf epidermal cells stained with the lipid droplet dye Bodipy-C12. Confocal laser scanning microscopy was used …
GFP:Rab8a, RFP:ATG8CL, and BFP:PexRD54 are co-expressed via agroinfiltration in N. benthamiana leaf epidermal cells infected with P. infestans. Confocal laser scanning microscopy was used to monitor …
GFP:Rab8a is co-expressed with the EHM marker RFP:REM1.3 via agroinfiltration in N. benthamiana leaf epidermal cells infected with P. infestans. Confocal laser scanning microscopy was used to …
Reagent type (species) or resource | Designation | Source or reference | Identifiers | Additional information |
---|---|---|---|---|
Gene (Solanum Tuberosum) | StRab8a (Rab8a) | Sol Genomics Network | Sotub04g010260.1 | |
Gene (Nicotiana benthamiana) | NbRab8a-1 | Sol Genomics Network | Niben101Scf07650g01021 | |
Gene (Nicotiana benthamiana) | NbRab8a-2 | Sol Genomics Network | Niben101Scf09596g00001 | |
Gene (Nicotiana benthamiana) | NbRab8a-3 | Sol Genomics Network | Niben101Scf00684g00002 | |
Gene (Nicotiana benthamiana) | NbRab8a-4 | Sol Genomics Network | Niben101Scf03277g02014 | |
Gene (Nicotiana benthamiana) | NbSeipin-A | Sol Genomics Network | Niben101Scf01983g13002 | |
Gene (Nicotiana benthamiana) | NbSeipin-B | Sol Genomics Network | Niben101Scf03695g01004 | |
Biological sample (Nicotiana benthamiana) | Nb-GFP-StRab8a seeds | This paper | Seeds are maintained at Bozkurt lab (ICL) | |
Antibody | Anti-GFP (Rabbit polyclonal) | Chromotek | Cat# PABG1-100 RRID:AB_2749857 | WB: 1:1000 |
Antibody | Anti-HA (Rat monoclonal) | Chromotek | Cat# 7c9-100 RRID:AB_2827568 | WB: 1:1000 |
Antibody | Anti-RFP (Rat monoclonal) | Chromotek | Cat# 6g6-100 RRID:AB_2631395 | WB: 1:1000 |
Antibody | Anti-FLAG (Mouse monoclonal) | Sigma-Aldrich | Cat# F3165 RRID:AB_259529 | WB: 1 µg/mL |
Antibody | Anti-tRFP (Mouse monoclonal) | Evrogen | Cat# AB233, RRID:AB_2571743 | WB: 1:1000 |
Peptide, recombinant protein | AIMpSyn | This paper | Peptide Sequence | RKKRRRESRKKRRRESKPLDFDWEIV |
Peptide, recombinant protein | mAIMpSynAA | This paper | Peptide Sequence | RKKRRRESRKKRRRESKPLDFDAEIA |
Sequence-based reagent | GA_RD54_F | This paper | PCR Primers | CTGGATCTGGAGAATTTGATGTTGGTCCCTCTTGGCT |
Sequence-based reagent | GA_RD54_R | This paper | PCR Primers | TAGCATGGCCGCGGGATTTACACAATTTCCCAGTCG |
Sequence-based reagent | GA_LIR2_R | This paper | PCR Primers | TAGCATGGCCGCGGGATTTAAGCAATTTCCGCGTCG |
Sequence-based reagent | GA_AIMp_F | This paper | PCR Primers | CTGGATCTGGAGAATTTGATCGGGACAAAATTGACAAGA |
Sequence-based reagent | GA_ATG8C_F | This paper | PCR Primers | CTGGATCTGGAGAATTTGATGCCAAAAGCTCCTTCAAA |
Sequence-based reagent | GA_ATG8C_R | This paper | PCR Primers | TAGCATGGCCGCGGGATTCAAAAGGATCCGAAGGTAT |
Sequence-based reagent | GAJoka2BFP_F | This paper | PCR Primers | CAGGCGGCCGCACTAGTGATATGGCTATGGAGTCATCTATTGTGATCAAGG |
Sequence-based reagent | GAJoka2BFP_R | This paper | PCR Primers | GCAGATCCAGCAGATCCGATCTGCTCTCCAGCAATAAGATCCATCACAAC |
Sequence-based reagent | NbRab8A_silF1 | This paper | PCR Primers | ACCAGGTCTCAGGAGGGCTTATATAAATGAAGCGAC |
Sequence-based reagent | NbRab8A_silR1 | This paper | PCR Primers | ACCAGGTCTCATCGTACTTCTGCAATCGCGTGCGT CCGAAGGTAT |
Sequence-based reagent | GW_StRab8a-1_F | This paper | PCR Primers | CACCATGGCCGCTCCACCCGCTAGAGCTCGAGCT |
Sequence-based reagent | GW_StRab8a-1_R | This paper | PCR Primers | TTAAGAACCACAGCAAGCTGATTTTTGGGCG |
Sequence-based reagent | Rab8aS29N_F | This paper | PCR Primers | GTTCTTACCCACACCGCTGTCGCCG |
Sequence-based reagent | Rab8aS29N R | This paper | PCR Primers | TGCCTTCTTTTACGTTTCTCAGATG |
Sequence-based reagent | Rab8aQ74L_F | This paper | PCR Primers | AAACCGGCGGTATCCCAGATTTGCAG |
Sequence-based reagent | Rab8aQ74L_R | This paper | PCR Primers | GGAGCGGTTCCGAACAATTACAACT |
Sequence-based reagent | Rab8aN128I_F | This paper | PCR Primers | ATGCCGACCAGAATTTTGTTGACATTG |
Sequence-based reagent | Rab8aN128I_R | This paper | PCR Primers | CAAGGCTGACATGGATGAAAGCAAAAGG |
Sequence-based reagent | Rab8a1-4-RNAi_F1 | This paper | PCR Primers | ACCAGGTCTCAGGAGGCAGCTCCACCAGCTAGG |
Sequence-based reagent | Rab8a1-4-RNAi_R1 | This paper | PCR Primers | ACCAGGTCTCAGTGAAGGAACCATCTGAGAAC |
Sequence-based reagent | Rab8a1-4-RNAi_F2 | This paper | PCR Primers | ACCAGGTCTCATCACACCACTATTGGTATTGAT |
Sequence-based reagent | Rab8a1-4-RNAi_R2 | This paper | PCR Primers | ACCAGGTCTCAATTGTTCGGAAACGCTCCTGG |
Sequence-based reagent | Rab8a1-4-RNAi_F3 | This paper | PCR Primers | ACCAGGTCTCACAATCAAGATAAGGACCATTGAGT |
Sequence-based reagent | Rab8a1-4-RNAi_R3 | This paper | PCR Primers | ACCAGGTCTCATCGTCATGTCAGCCTTGTTGCCG |
Sequence-based reagent | NYFP-Oleosin F | This paper | PCR Primers | GCAGAAGGTTATGAACCACGATGCAGATTACTATGGGCAGCAACATAC |
Sequence-based reagent | Oleosin-CYFP R | This paper | PCR Primers | TCTGCTTAACCATGTTGTGGATACTCTGCTGGGTTCCAGTGACATG |
Sequence-based reagent | GA_35S_HA_F | This paper | PCR Primers | GCCGCACTAGTGATATGTACCCA |
Sequence-based reagent | GA_Term_R | This paper | PCR Primers | ATTTTTGCGGACTCTAGCATGG |
Sequence-based reagent | GAPDH_F | This paper | PCR Primers | ATGGCTTCTCATGCAGCTTT |
Sequence-based reagent | GAPDH_R | This paper | PCR Primers | ATCCTGTGGTCTTGGGAGTG |
Sequence-based reagent | RFP F: | This paper | PCR Primers | CTGGACATCACCTCCCACAACGAGG |
Sequence-based reagent | Term R: | This paper | PCR Primers | CACATGAGCGAAACCCTATAAGAACCCTA |
Sequence-based reagent | GLOX- F | This paper | PCR Primers | CACCATGGCGGAGACGGTCACCAATGTAT |
Sequence-based reagent | GLOX- R | This paper | PCR Primers | TTACATCCTCGGCAGGGG |
Statistical_Summary for all figures.