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1. 000 RPM followed by a 2 minute spin at 14 000 x g 14 000 RPM Note the volume eluted from the column If the entire volume has not been eluted spin the column at 14 000 x g 14 000 RPM for 1 additional minute d Optional An additional elution may be performed if desired by repeating steps 5b and 5c The total yield can be improved by an additional 20 30 when this second elution is performed 6 Storage of RNA The purified RNA sample may be stored at 20 C for a few days It is recommended that samples be placed at 70 C for long term storage Appendix A Protocol for Optional On Column DNA Removal Norgen s Plant Fungi Total RNA Purification Kit isolates total RNA with minimal amounts of genomic DNA contamination However an optional protocol is provided below for maximum removal of residual DNA that may affect sensitive downstream applications It is recommended that Norgen s RNase Free DNase Kit Product 25710 be used for this step a For every on column reaction to be performed prepare a mix of 15 uL of DNase I and 100 uL of Enzyme Incubation Buffer using Norgen s RNase Free DNase Kit Product 25710 Mix gently by inverting the tube a few times DO NOT VORTEX Note If using an alternative DNase I prepare a working stock of 0 25 Kunitz unit uL RNase free DNase solution according to the manufacturer s instructions A 100 uL aliquot is required for each column to be treated b Perform the Total2. Plant Fungi Total RNA Purification Kit Benchtop microcenrifuge 96 100 ethanol Liquid nitrogen B mercaptoethanol Optional RNase free DNase Optional Working with RNA RNases are very stable and robust enzymes that degrade RNA Autoclaving solutions and glassware is not always sufficient to actively remove these enzymes The first step when preparing to work with RNA is to create an RNase free environment The following precautions are recommended as your best defense against these enzymes e The RNA area should be located away from microbiological work stations e Clean disposable gloves should be worn at all times when handling reagents samples pipettes disposable tubes etc It is recommended that gloves are changed frequently to avoid contamination e There should be designated solutions tips tubes lab coats pipettes etc for RNA only e All RNA solutions should be prepared using at least 0 05 DEPC treated autoclaved water or molecular biology grade nuclease free water e Clean all surfaces with commercially available RNase decontamination solutions e When working with purified RNA samples ensure that they remain on ice during downstream applications Flow Chart Procedure for Purifying Total RNA using Norgen s Plant Fungi Total RNA Purification Kit Macerate cells or tissue in a mortar using liquid nitrogen Add Lysis Buffer C Incubate at 55 C Transfer to Filter Column SPIN Add Ethanol tele Bind to Spin C
3. RNA Isolation Procedure up to and including Binding to Column Steps 1 and 2 c Apply 400 uL of Wash Solution A to the column and centrifuge for 2 minute Discard the flowthrough Reassemble the spin column with its collection tube d Apply 100 uL of the RNase free DNase solution prepared in Step a to the column and centrifuge at 14 000 x g 14 000 RPM for 1 minute Note Ensure that the entire DNase solution passes through the column If needed spin at 14 000 x g 14 000 RPM for an additional minute e After the centrifugation in Step d pipette the flowthrough that is present in the collection tube back onto the top of the column Note Ensure Step e is performed in order to ensure maximum DNase activity and to obtain maximum yields of RNA in particular for small RNA species f Incubate the column assembly at 25 30 C for 15 minutes g Without any further centrifugation proceed directly to the second wash step in the Column Wash section Step 4c Troubleshooting Guide Problem Possible Cause Solution and Explanation Do not exceed the recommended amounts of starting Column has materials The amount of starting material may need to become clooded be decreased if the column shows clogging below the 99 recommended levels See also Clogged Column below A alternative It is recommended that the Elution Solution A supplied Elution Solution siege with this kit be used for max
4. al minute at 14 000 x g 14 000 RPM Depending on your lysate volume repeat step 2b if necessary 3 DNase Treatment Optional Norgen s Plant Fungi Total RNA Purification Kit isolates total RNA with minimal amounts of genomic DNA contamination However an optional On Column DNA Removal Protocol is provided in Appendix A for maximum removal of residual DNA that may affect sensitive downstream applications It is recommended that Norgen s RNase Free DNase Kit Product 25710 be used for this step This step should be performed at this point in the protocol 4 Column Wash a Apply 400 uL of Wash Solution A to the column and centrifuge for 1 minute Note Ensure the entire wash solution has passed through into the collection tube by inspecting the column If the entire wash volume has not passed spin for an additional minute b Discard the flowthrough and reassemble the spin column with its collection tube c Repeat steps 4a and 4b to wash column a second time d Wash column a third time by adding another 400 uL of Wash Solution A and centrifuging for 1 minute e Discard the flowthrough and reassemble the spin column with its collection tube f Spin the column for 2 minutes in order to thoroughly dry the resin Discard the collection tube 5 RNA Elution a Place the column into a fresh 1 7 mL Elution tube provided with the kit b Add 50 uL of Elution Solution A to the column c Centrifuge for 2 minutes at 200 x g 2
5. el on the bottle has a box that may be checked to indicate that the ethanol has been added e Optional Add 10 uL of B mercaptoethanol provided by the user to each 1 mL of Lysis Buffer C required B mercaptoethanol is toxic and should be dispensed in a fume hood e Both fresh or frozen samples may be used for this procedure Samples should be flash frozen in liquid nitrogen and transferred immediately to a 70 C freezer for long term storage Do not allow frozen samples to thaw prior to grinding with the mortar and pestle in order to ensure that the integrity of the RNA is not compromised e It is recommended that no more than 50 mg of fungi 50 mg of plant tissue or 5 x 10 plant cells be used for this procedure in order to prevent clogging of the column However in some cases it may be possible to increase the amount of plant material processed up to 100 mg or 5 x 10 cells depending on the RNA content of the plant e This kit is provided with 2 separate columns When columns are removed from the labeled bags they are supplied in they can easily be identified as follows o Filter Columns contains a clear plastic O ring o Spin Columns contains a grey plastic O ring 1 Lysate Preparation a Transfer lt 50 mg of plant tissue or 5 x 10 plant cells into a mortar that contains an appropriate amount of liquid nitrogen to cover the sample Grind the sample into a fine powder using a pestle with the liquid nitrogen Note If stored
6. erfere with downstream applications and thus must be washed from the column Ethanol carryover Ensure that the dry spin under the Column Wash procedure is performed in order to remove traces of ethanol prior to elution Ethanol is known to interfere with many downstream applications Related Products Product RNase Free DNase Kit 25710 Plant RNA DNA Purification Kit 24400 Plant Fungi Total RNA Purification Maxi Kit 42300 Total RNA Purification Kit 17200 1kb RNA Ladder 15003 Technical Support Contact our Technical Support Team between the hours of 8 30 and 5 30 Eastern Standard Time at 905 227 8848 or Toll Free at 1 866 667 4362 Technical support can also be obtained from our website www norgenbiotek com or through email at techsupport norgenbiotek com 3430 Schmon Parkway Thorold ON Canada L2V 4Y6 Phone 905 227 8848 Fax 905 227 1061 Toll Free in North America 1 866 667 4362 2014 Norgen Biotek Corp P125800 11 M14
7. frozen samples are used do not allow the samples to thaw before transferring to the liquid nitrogen b Transfer the powder to a 2 mL centrifuge tube not provided and add 600 uL of Lysis Buffer C Vortex vigorously c Incubate at 55 C for 5 minutes Occasionally mix the lysate 2 or 3 times during incubation by inverting the tube d e Assemble a Filter Column clear O ring with one of the provided collection tubes Pipette the lysate into Filter Column and spin for 2 minutes at 14 000 x g 14 000 RPM Transfer only the clear supernatant from the flow through into a RNAase free microcentrifuge tube not provided using a pipette Note Ensure that only the clear supernatant is transferred avoiding any of the debris at the bottom of the collection tube Add an equal volume of 96 100 ethanol provided by the user to the lysate collected above 100 uL of ethanol is added to every 100 uL of lysate Vortex to mix Proceed to Step 2 2 Binding to Column a b C Assemble a Spin Column grey O ring with one of the provided collection tubes Apply up to 600 uL of the clarified lysate with ethanol onto the column and centrifuge for 1 minute at 2 3 500 x g 6 000 RPM Discard the flowthrough and reassemble the spin column with the collection tube Note Ensure the entire lysate volume has passed through into the collection tube by inspecting the column If the entire lysate volume has not passed spin for an addition
8. gn x NORGEN BIOTEK wie CORPORATION Plant Fungi Total RNA Purification Kit 3430 Schmon Parkway Thorold ON Canada L2V 4Y6 Phone 866 667 4362 e 905 227 8848 Fax 905 227 1061 Email techsupport norgenbiotek com Product Insert Product 25800 31350 Norgen s Plant Fungi Total RNA Purification Kit provides a rapid method for the isolation and purification of total RNA from a wide range of plant and filamentous fungal species Total RNA can be purified from fresh or frozen plant tissues plant cells or filamentous fungi samples using this kit All sizes of RNA are purified from large mRNA and ribosomal RNA down to microRNA miRNA and small interfering RNA siRNA The RNA is preferentially purified from other cellular components such as proteins without the use of phenol or chloroform The purified RNA is of the highest integrity and can be used in a number of downstream applications including real time PCR reverse transcription PCR Northern blotting RNase protection and primer extension and expression array assays Norgen s Purification Technology Purification is based on spin column chromatography using Norgen s proprietary resin as the separation matrix The RNA is preferentially purified from other cellular components such as proteins without the use of phenol or chloroform The process involves first homogenizing the cells or tissue with liquid nitrogen please see the flow chart on page 4 Lysis Buffer C is t
9. hen added to the tissue or cell powder and is mixed by vortexing The Lysis Buffer C contains detergents as well as large amounts of a chaotropic denaturant that will rapidly inactivate RNases and proteases that are present The lysate is then incubate at 55 C for 5 minutes and spun through the provided Mini Filter Column in order to remove any debris The lysate is then spun in a microcentrifuge in order to pellet and remove any debris Ethanol is then added to the clarified lysate and the solution is loaded onto a spin column Norgen s resin binds nucleic acids in a manner that depends on ionic concentrations thus only the RNA will bind to the column while most of the DNA and proteins are removed in the flowthrough The bound RNA is then washed with the provided Wash Solution A in order to remove any remaining impurities and the purified total RNA is eluted with the Elution Solution The purified RNA is of the highest integrity and can be used in a number of downstream applications Specifications Kit Specifications Maximum Column Binding Capacity 50 ug Maximum Column Loading Volume 650 uL l ss All sizes including small RNA Size of RNA Purified lt 200 nt Maximum Amount of Starting Material Plant Tissues 50 mg Plant Cells 1 x 10 cells Fungi 50 mg wet weight Average Yields 50 mg Tomato Leaves 60 ug 50 mg Tobacco Leaves 60 ug 50 mg Plum Leaves 32 ug 50 mg Grape Leaves 35 ug 50 mg Peach Leaves 30 ug Time t
10. imum RNA recovery was used Poor RNA Ethanol was not Ensure that the appropriate amount of ethanol is added Recovery added to the lysate to the lysate before binding to the column PranoWwaShol Ensure that 90 mL of 96 100 ethanol is added to the agdedao thg asn supplied Wash Solution A prior to use Solution A pp p Different tissues and cells have different RNA contents Low RNA content and thus the expected yield of RNA will vary greatly from in cells or tissues these different sources Please check literature to used determine the expected RNA content of your starting material Maximum number The optimal input is 50 mg of plant tissue or filamentous of cells or amount fungi or 5 x 10 plant cells However for some species of tissue exceeds up to 100 mg of tissue may be processed depending on kit specifications the RNA content of the sample Clogged Too much cell og debris in the lysate Ensure that most cell debris is removed in Step 1c Column supernatant Ensure that the centrifuge remains at room temperature Centrifuge temperature too low throughout the procedure Temperatures below 20 C may cause precipitates to form that can cause the columns to clog RNA does not perform well in downstream applications RNA was not washed three times with the provided Wash Solution A Traces of salt from the binding step may remain in the sample if the column is not washed three times with the Wash Solution A Salt may int
11. o Complete 10 Purifications 30 minutes average yields will vary depending on species growth conditions used and developmental stage Storage Conditions and Product Stability All solutions should be kept tightly sealed and stored at room temperature These reagents should remain stable for at least 1 year in their unopened containers Kit Components Component Product 25800 50 samples Product 31350 100 samples Lysis Buffer C 60 mL 1x 30 mL 1 x 60 mL Wash Solution A 38 mL 38 mL Elution Solution A 6 mL 6 mL Filter Columns 50 100 Spin Columns 50 100 Collection Tubes 100 200 Elution tubes 1 7 mL 50 100 Product Insert 1 1 Advantages e Fast and easy processing using a rapid spin column format Isolate total RNA from large rRNA down to microRNA miRNA No phenol or chloroform extractions Isolate high quality total RNA from a variety of plant and fungal species High yields of total RNA Precautions and Disclaimers This kit is designed for research purposes only It is not intended for human or diagnostic use Ensure that a suitable lab coat disposable gloves and protective goggles are worn when working with chemicals For more information please consult the appropriate Material Safety Data Sheets MSDSs These are available as convenient PDF files online at www norgenbiotek com Customer Supplied Reagents and Equipment You must have the following in order to use the
12. olumn I SPIN com Wash three times with Wash Solution A SPI Elute RNA with Elution Solution A lt SPIN 3 Purified Total Plant Fungi RNA Procedures All centrifugation steps are carried out in a benchtop microcentrifuge Various speeds are required for different steps so please check your microcentrifuge specifications to ensure that it is capable of the proper speeds All centrifugation steps are performed at room temperature The correct rom can be calculated using the formula RPM RCF 1 118 x 105 r where RCF required gravitational acceleration relative centrifugal force in units of g r radius of the rotor in cm and RPM the number of revolutions per minute required to achieve the necessary g force Notes Prior to Use e All centrifugation steps are carried out in a benchtop microcentrifuge at 14 000 x g 14 000 RPM except where noted All centrifugation steps are performed at room temperature e A variable speed centrifuge should be used for maximum kit performance If a variable speed centrifuge is not available a fixed speed centrifuge can be used however reduced yields may be observed e Ensure that all solutions are at room temperature prior to use e Prepare a working concentration of the Wash Solution A by adding 90 mL of 96 100 ethanol provided by the user to the supplied bottles containing the concentrated Wash Solution A This will give a final volume of 128 mL The lab
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