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Class 435/422 - Involving conifer cell or tissue (e.g., pine, spruce, fir, cedar, etc.)


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter wherein the process includes the presence
No. of patents: 87
Last issue date: 02/28/2012


1      
NumberTitleIssue Date
8124412Method of culturing conifer somatic embryos using S(+)-abscisic acid
A method for promoting maturation and development of vigorous conifer (gymnosperm) somatic embryos comprising the use of S(+)-ABA as the substantive form of ABA. ...
02/28/2012
8067238Use of acid stable protease in animal feed
The present invention relates to acid-stable proteases homologous to those derived from strains of the genus Nocardiopsis, their use in animal feed, feed-additives and feed compositions containing such proteases, and methods for the treatment of vegetable pro...
11/29/2011
8053238Isolated population of plant single cells and method of preparing the same
This invention is a method of minimizing the variation of cell growth and production through homogeneous cell line development. To be more specific, it is the method of isolating and proliferating single cell clone from the procambium to promote the stability of the...
11/08/2011
8017397Isolated population of plant single cells and method of preparing same
This invention is a method of minimizing the variation of cell growth and production through homogeneous cell line development. To be more specific, it is the method of isolating and proliferating single cell clone from the cambium to promote the stability of the pl...
09/13/2011
8012753Methods and compositions for regrowth of cryopreserved conifer embryos
The present invention provides methods for regrowth of conifer embryogenic cells. The methods comprise the steps of (a) contacting cryopreserved conifer embryogenic cells with a liquid transition medium, and (b) culturing the contacted conifer embryogenic cells in a...
09/06/2011
7964404Methods for increasing germination vigor by early singulation of conifer somatic embryos
In one aspect, a method is provided for increasing germination vigor of conifer somatic embryos produced in vitro. The method comprises (a) singulating a plurality of individual immature conifer somatic embryos from a first culture of embryos after a first incubatio...
06/21/2011
7951594Method of culturing conifer somatic embryos using S(+)-abscisic acid
A method for promoting maturation and development of vigorous conifer (gymnosperm) somatic embryos comprising the use of S(+)-ABA as the substantive form of ABA. ...
05/31/2011
7923249Aerated liquid priming of conifer somatic germinants
A process of priming mature, imbibed, germinated somatic embryos of a conifer species. The process comprises fully immersing mature, imbibed, germinated somatic conifer embryos in a sterile liquid nutrient medium, bubbling an oxygen-containing gas through the liquid...
04/12/2011
7906334Method for reproducing conifers by somatic embryogenesis using lactose as a carbon source
A method for reproducing conifers by somatic embryogenesis is disclosed. A galactose-containing compound is used as a carbon source for an embryogenic culture during at least one of the steps of induction, proliferation, and prematuration. ...
03/15/2011
7795029Method of ex vitro sowing, germination, growth and conversion of plant somatic embryos or germinants
A method of sowing a somatic plant embryo or germinant of a conifer species to facilitate subsequent development of the embryo or germinant into an autotrophic seedling. The method involves the following steps carried out ex vitro in non-sterile conditions: providin...
09/14/2010
7785884Low density spreading methods for conifer somatic embryogenesis
In one aspect, the present invention provides methods of producing conifer cotyledonary somatic embryos from pre-cotyledonary embryos. The methods of this aspect of the invention include the step of (a) dispensing a plurality of pre-cotyledonary embryos onto a porou...
08/31/2010
7732205Development and stratification of pine somatic embryos using a liquid system
The invention provides methods for producing pine somatic embryos using a liquid development medium and/or a liquid stratification medium. In a first aspect, the methods comprise the step of culturing embryogenic cells in, or on, a liquid development medium to produ...
06/08/2010
7625754Continuous culture of conifer embryogenic tissue
The present invention provides methods for multiplying conifer embryogenic tissue. The methods of the present invention each include the step of continuously culturing conifer embryogenic tissue in liquid multiplication medium for a period of time sufficient for the...
12/01/2009
7521237Methods for promoting maturation of conifer somatic embryos
In one aspect, the present invention provides methods for producing mature conifer somatic embryos. The methods of the invention comprise the steps of: (a) culturing pre-cotyledonary conifer somatic embryos in, or on, a development medium comprising less than 0.5% o...
04/21/2009
7452722Methods for developing conifer somatic embryos
The present invention provides methods for producing conifer cotyledonary somatic embryos. The methods of the present invention each includes the step of culturing embryogenic conifer tissue in, or on, a development medium for a period of time sufficient to produce ...
11/18/2008
7381562Methods for producing cotyledonary pine embryos utilizing a gibberellin
The present invention provides methods for producing cotyledonary pine embryos. The methods of the invention each include the step of culturing embryogenic pine tissue in, or on, a medium including at least one gibberellin to yield cotyledonary pine embryos. In some...
06/03/2008
7376117Interleaving circuit for a multiband OFDM transceiver
Interleaving circuit for a multiband OFDM (orthogonal frequency division multiplexing) transceiver of a ultra wide band wireless personal access network transmitting OFDM modulated symbols, wherein each OFDM symbol consists of a predetermined number (NCBPS
05/20/2008
7238527Methods and compositions for rapid propagation of
The present disclosure relates to methods and compositions for in vitro cultivation of species of Swertia, e.g. Swertia chirata (Ham.). The disclosure provides culture media comprising Murashige and Skoog (MS) basal culture medium, plant hormones prefe...
07/03/2007
7235402Scalable bioreactor culture process and system for the maturation of conifer somatic embryos
A bioreactor culture system and process for producing conifer somatic embryos comprise a closed vessel, a biomass immobilization matrix, a liquid culture medium recirculating equipment, and a gas control equipment. The biomass immobilization matrix is installed in a...
06/26/2007
7157620Enhanced transformation and regeneration of transformed embryogenic pine tissue
The present invention relates to methods for the transformation and regeneration of transformed embryogenic tissue of coniferous plants. In particular, the invention relates to improved methods for transforming embryogenic tissue of coniferous plants and for regener...
01/02/2007
7118923Nanoporous membrane immunosensor
A sensor for a selected analyte in a test sample has (a) a semipermeable membrane with pores for retaining the analyte, where the membrane has been chemically modified by attachment of membrane modifiers; (b) immunoassay labels which have label binding ligands where...
10/10/2006
6964870Enhanced selection of genetically modified pine embryogenic tissue
The present invention relates to methods for the selection of transformed embryogenic tissue of coniferous plants. In particular, the invention relates to improved methods for selecting transformed embryogenic tissue of plants of the subgenus Pinus of pines, ...
11/15/2005
6946295Process for ex vitro sowing and germination of plant somatic embryos
A multi-step process by which plant somatic embryos can be sown and germinated ex vitro using conventional seeding equipment, growing mixes, and plant propagation environments. The process most preferably comprises the steps of: placing a somatic embryo on or within...
09/20/2005
6897065Method for maturation of conifer somatic embryos
According to the invention an embryogenic cell mass is cultured with a culture medium comprising an anti-auxin resulting in an unexpected shift in physiology from proliferation to maturation. Proliferation is reduced so that the formation of new immature embryos cea...
05/24/2005
6893873Methods for improving conifer embryogenesis
The present invention provides methods for initiating, capturing, maintaining and multiplying embryogenic cultures of coniferous plants. Methods include the use of novel media compositions containing Vitamin B12, Vitamin E, or organic acids including α-k...
05/17/2005
6855548Use of acid-stable proteases in animal feed
Acid-stable proteases homologous to those derived from strains of the genus Nocardiopsis, their use in animal feed, feed-additives and feed compositions containing such proteases, and methods for the treatment of vegetable proteins using such proteases. ...
02/15/2005
6753182Cryopreservation of plant cells
Methods are provided for cryopreserving plant cells and to methods for recovering viable plant cells from long or short term cryopreservation. Plant cells to be cryopreserved can be grown in culture and pretreated with a solution containing an cryorotective agent an...
06/22/2004
6692963Method of reproducing plants by somatic embryogenesis
A method has been discovered for reproducing plants by somatic embryogenesis by placing embryogenic tissue or organ onto a semi-permeable membrane that is on a culture medium and incubating to produce a normal somatic embryo....
02/17/2004
6689609Enhancing germination of plant somatic embryos by priming
A process of nutripriming plant somatic embryos prior to sowing, comprising contacting an imbibed plant somatic embryo with a solution containing one or more dissolved nutrients, preferably including sucrose as one of the nutrients. The invention includes...
02/10/2004
6682931Recovering cryopreserved conifer embryogenic cultures
This invention relates to a method for improving the growth and regeneration potential of embryogenic cell and tissue cultures of coniferous plants retrieved from cryopreservation. In particular, this invention relates to the use of abscisic acid in the p...
01/27/2004
6627441Increasing levels of growth regulator and/or water stress during embryo development
The invention comprises methods for producing mature desiccated and desiccation-tolerant somatic embryos, particularly conifer embryos. The methods include the application of a growth-promoting hormone such as abscisic acid (ABA) to the immature embryos d...
09/30/2003
6518485Particle-mediated conifer transformation
This invention relates to a method for genetically engineering coniferous plants. In particular, this invention relates to a particle-mediated gene transfer method for producing and developing transgenic somatic embryos for plants of the genus Pinus and P...
02/11/2003
6492174Methods of initiating embryogenic cultures in plants
The present invention provides methods for initiating embryogenic cultures of plants. The methods include the use of novel media compositions and elevated atmospheric pressure treatments to improve the frequency of embryogenic culture initiation. The meth...
12/10/2002
6448476Plants and plant cells transformation to express an AMPA-N-acetyltransferase
The invention relates in general to plants, plant cells, methods of making, and methods of using plants and plant cells transformed to contain a DNA sequence encoding an AMPA-N-acetyltransferase, and to plants and plant cells exhibiting resistance to AMPA...
09/10/2002
6433251Promoter regulating circadian clock function and photoperiodism
Nucleic acid molecules that encode a plant promoter involved in photoperiodism and circadian rhythms are disclosed. These molecules may be introduced into plants in order to alter the photoperiodic and/or circadian clock-based gene expression of the plant...
08/13/2002
6417001Embryogenesis process for initiation
The present invention is a method of producing mature somatic conifer embryos at a higher yield. Explants of immature embryos are placed on or in an initiation medium or on a nurse culture which is on or in the initiation medium. Over a period of time, in...
07/09/2002
6372496Desiccation-tolerant gymnosperm embryos
A desiccation-tolerant mature viable gymnosperm somatic embryo is characterized by a moisture content of less than about 55%. Preferably the moisture content is less than about 45%, and for optimal storage capability at freezing temperatures, less than ab...
04/16/2002
6365407Culture medium composition useful for induction and proliferation of Taxus calli
Disclosed is a culture composition containing micro and macro-ingredients, vitamins and other supplements such as phytagel, sucrose, picloram. The medium is useful in the formation and development of callus lines of Taxus sp., and resulting in production ...
04/02/2002
6340594Production of desiccation-tolerant gymnosperm embryos
Desiccated mature gymnosperm somatic embryos, preferably coniferous somatic embryos having a moisture content of less than about 55%, are prepared by water stressing immature embryos in a medium comprising a metabolizable carbon source and a suitable grow...
01/22/2002
6252135Production of syringyl lignin in gymnosperms
The present invention relates to a method for producing syringyl lignin in gymnosperms. The production of syringyl lignin in gymnosperms is accomplished by genetically transforming a gymnosperm genome, which does not normally contain genes which code for ...
06/26/2001
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