-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UCXQWT4AaqyzvijNfSKNGB3HmYfg8GSetNbUfNRB3Bq6/sIHYYJTE4K/QCPSR3w/
 No5zIzs+ScqLCLey68ppXw==

<SEC-DOCUMENT>0001085037-07-001366.txt : 20070608
<SEC-HEADER>0001085037-07-001366.hdr.sgml : 20070608
<ACCEPTANCE-DATETIME>20070608144837
ACCESSION NUMBER:		0001085037-07-001366
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061101
FILED AS OF DATE:		20070608
DATE AS OF CHANGE:		20070608

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLURISTEM LIFE SYSTEMS INC
		CENTRAL INDEX KEY:			0001158780
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				980351734
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		MATAM ADVANCED TECHNOLOGY PARK
		STREET 2:		BUILDING NO. 20
		CITY:			HAIFA
		STATE:			L3
		ZIP:			31905
		BUSINESS PHONE:		972-4-850-1080

	MAIL ADDRESS:	
		STREET 1:		MATAM ADVANCED TECHNOLOGY PARK
		STREET 2:		BUILDING NO. 20
		CITY:			HAIFA
		STATE:			L3
		ZIP:			31905

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AI SOFTWARE INC
		DATE OF NAME CHANGE:	20010906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			YANAY YAKY
		CENTRAL INDEX KEY:			0001402539

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31392
		FILM NUMBER:		07909386

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		011-972-4-850-1080

	MAIL ADDRESS:	
		STREET 1:		ARGAMAN 14
		CITY:			SHIMSHIT
		STATE:			L3
		ZIP:			17906
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>f3yanay_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-11-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001158780</issuerCik>
        <issuerName>PLURISTEM LIFE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>PLRS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001402539</rptOwnerCik>
            <rptOwnerName>YANAY YAKY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ARGAMAN 14</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SHIMSHIT</rptOwnerCity>
            <rptOwnerState>L3</rptOwnerState>
            <rptOwnerZipCode>17906</rptOwnerZipCode>
            <rptOwnerStateDescription>ISRAEL</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>stock options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.02</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-03-17</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-09-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2500000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The options vest as follows:  25% on the six month anniversary, 4% on the 7 month and each successive month anniversary to
 and including the 23rd month anniversary and the balance on the 24 month anniversary.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Yaky Yanay</signatureName>
        <signatureDate>2007-06-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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